When we move the magnet back and forth inside the coil of the wire, it will produce a voltage.
When a magnet moves into a coil of wire, the magnetic field and flux through the coil change, creating a voltage in the coil according to Faraday's Law. In the example shown below, as the magnet moves into the coil, the galvanometer deflects to the left in response to the increasing magnetic field. When a magnet or coil repeats the reciprocating motion, alternating current is generated. Generators and transformers use electromagnetic induction to generate electricity and change the voltage of current. When the magnet is moved towards the coil, a current is induced in the coil due to the phenomenon of electromagnetic induction. The relative motion between the magnet and coil induces an electromotive force (EMF), which induces a current in the coil.
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In the circuit shown above, the switch S is open, the capacitor is uncharged, and the current through the battery is 0.5 A At what time is the current through the resistor in the middle branch 0.5 A?
O Immediately after the switch is closed B O When the circuit has reached steady state O Sometime between when the switch is closed and steady state is reached O At no time In which switch position, open or closed, can the current be the same in the left and right branches, and why? O Neither position, because the resistors in these branches have different resistances. O Both positions, because the current in the middle branch will be zero at some time for both positions. O Only when the switch is open, because then the resistors are in series. O Only immediately after the switch is closed, because then the equivalent resistance of the middle and right branches equals that of the left branch. What is the charge on the capacitor a long time after the switch is closed? A 1.0 μC B.1.5 μC C. 25 μC D 37.5 μC
Answer 1:-(D) at no time is the current through the resistor in the middle branch 0.5 A
Because whenever the switch is just closed, both branches share the same resistance and a current of 0.25 A flows. Following that, the current in the middle branch will decrease as time passes.
Answer 2:-(C) only when switch is open because then both resistor are in series.
Answer 3:-25 μC is the charge on the capacitor a long time after the switch is closed
When connected to a battery, a capacitor conducts for a brief time before becoming an open circuit. A transitory current flows when the capacitor plates charge when an uncharged capacitor C is linked to a potential V battery.
When connected to a battery, a capacitor conducts for a brief time before becoming an open circuit. A transitory current flows when the capacitor plates charge when an uncharged capacitor C is linked to a potential V battery.
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Drag the tiles to the correct boxes to complete the pairs.
Match the pollution control method to its description.
incineration
settling
composting
gas adsorption
The match-ups of the various waste management are listed below.
What is waste management?
The collection, transportation, processing, and recycling or disposal of waste are all included in trash management. In order to lower environmental risks and protect resources, sustainable waste management systems incorporate advanced management techniques.
To keep as much waste out of the landfill as possible, each of us must contribute. Reduce, Reuse, and Recycle, also known as the 3 Rs of trash management, are one way to carry out that strategy.
Solid pollutants are burned during incineration.
Setting: Polluted water is permitted to remain motionless
Composting: Microorganisms are utilized to
Pollutants are drawn into contact with hard surfaces through gas adsorption.
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Answer:
Pollutants are captured through contact with solid surfaces.
-( gas adsorption )
Solid pollutants are burned and converted into harmless forms.
-( incineration )
Microbes are used to convert organic land pollutants harmless forms.
-( composting )
Polluted water is allowed to stand still for some time, until pollutants settle at the bottom. -( settling )
Explanation:
Correct/plato/edmentum
enrique is given information about what causes a satellite to move tangentially to a circular path? air resistance friction inertia gravitya satellite orbiting earth. r
Because of the inertia of the satellite's motion, it will proceed tangentially to its circular orbit at the same speed, or V.
The satellite will deviate from its course with its tangential velocity because there won't be any centripetal force to keep it in a circular orbit in the absence of gravitational force. Accelerations at the centripetal axis are produced by centripetal forces. Any satellite's circular motion around a celestial body, with the exception of the Earth's rotation around the Sun, is caused by the centripetal force generated by their mutual gravitational attraction. Over the course of an orbit, tangential speed varies. The satellite's velocity and centripetal force are at right angles. With growing satellite separation from Earth, tangential speed rises. Centripetal force may occasionally slow.
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a block of weight w is pulled across a rough floor by a rope that exerts a force t on the block. the frictional force between the floor and the block is f. which of the following expressions equals the frictional force f when the block moves with a constant speed?
The net force is zero because it is moving at a constant speed. So, in the horizontal direction = 0. This will happen if the horizontal component of T, Tcos0 is equal to the frictional force.
What do you mean by frictional force?It acts in a direction that is opposite to the motion or attempted motion of an object. Frictional force is caused by the microscopic irregularities on the surfaces that are in contact. The strength of the frictional force depends on the types of materials in contact and the amount of force pressing the two surfaces together.
An example of friction is when you try to slide a book across a table. The table exerts a frictional force on the book in the opposite direction of the motion, making it harder to slide the book. Another example is when you try to walk on a slippery surface, such as ice, the friction between your shoes and the ice is reduced, making it harder to walk. Friction also plays a role in many everyday activities such as driving a car, using a pencil, and even typing on a keyboard.
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Here are a couple questions about vectors
The x and y component of the vector A are 37.4 m and 34.2 m respectively.
What is the x component of the vector A?
The x component of the vector A is calculated by applying the following formula.
Ax = A cosθ
where;
A is the magnitude of the vectorθ is the angle of the vectorAx = 52 m x cos ( 44 )
Ax = 37.4 m
The y component of the vector A is calculated as follows;
Ay = A x sinθ
Ay = 84 m x sin ( 24 )
Ay = 34.2 m
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what quantities could be graphed to yield a straight line that could be used to determine the acceleration of the object? only indicate quantities that either were measured in part (b) or could be determined from quantities measured in part (b).
Choosing the proper quantities that are related to place and time and result in a graph with a straight line earns you 1 point.
Examples of answers include: x and t^2, x and 1/2 t^2
2x and t^2, sqrt(x) and t.
What is the equation for acceleration?Acceleration is the rate of change of velocity with respect to time. Mathematically, acceleration is described by the equation a = Δv/Δt, where a is acceleration, Δv is the change in velocity, and Δt is the change in time. To calculate acceleration, we need to know the initial and final velocity and the amount of time that has elapsed between them. For instance, if a car's velocity changes from 10 m/s to 20 m/s in 5 s, the acceleration can be calculated as follows: a = (20 m/s − 10 m/s) / 5 s = 2 m/s2.The equation for acceleration can also be written as a = (vf − vi) / t, where vf is the final velocity, vi is the initial velocity, and t is the amount of time elapsed.Finally, acceleration can also be calculated by dividing the change in momentum by the mass of the object. In this case, the equation is a = Δp/m, where Δp is the change in momentum and m is the mass of the object.To learn more about acceleration refer to:
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A 0.060 kg tennis ball, moving with a speed of 5.50 m/s, has a head-on collision with a 0.090 kg ball initially moving in the same direction at a speed of 3.00 m/s. Assuming a perfectly elastic collision, determine the speed and direction of each ball after the collision.
The speed and direction of each ball after the collision is :
a) Speed of the first ball after the collision = 2.5 m/s same initial direction
b) Speed of the second ball after the collision = 5.0 m/s same initial direction
A collision in physics is any situation in which two or more bodies quickly exert forces on one another. Despite the fact that the most common usage of the word "collision" refers to situations in which two or more objects clash violently, the scientific usage of the word makes no such assumptions.
Let us consider the initial direction of velocity of the first ball as the right side which we will take to be positive.
The second ball is moving in the same direction as that of the first ball therefore it's velocity is also directed to the right.
Mass of the first ball = [tex]M_{1}[/tex] = 0.06 kg
Mass of the second ball = [tex]M_{2}[/tex] = 0.09 kg
Initial velocity of the first ball = [tex]V_{1}[/tex] = 5.5 m/s
Initial velocity of the second ball =[tex]V_{2}[/tex] = 3 m/s
Velocity of the first ball after the collision = [tex]V_{3}[/tex]
Velocity of the second ball after the collision = [tex]V_{4}[/tex]
The collision is elastic.
Coefficient of restitution = e = 1
e = [tex]\frac{V_{4} - V_{3}}{V_{1} - V_{2}}[/tex]
1 =[tex]\frac{V_{4} - V_{3}}{5.5 - 3}[/tex]
2.5 =[tex]V_{4} - V_{3}[/tex]
[tex]V_{4} = V_{3} + 2.5[/tex]
By conservation of linear momentum,
[tex]m_{1}V_{1} + m_{2}V_{2} = m_{1}V_{3} + m_{2}V_{4}[/tex]
(0.06)(5.5) + (0.09)(3) = [tex](0.06)V_{3} + (0.09)(V_{3} + 2.5)[/tex]
0.33 + 0.27 = [tex]0.06V_{3} + 0.09V_{3}[/tex] + 0.225
[tex]0.15V_{3}[/tex] = 0.375
V3 = 2.5 m/s
[tex]V_{4} = V_{3} +[/tex] 2.5
[tex]V_{4} =[/tex] 2.5 + 2.5
[tex]V_{4} =[/tex] 5.0 m/s
The velocities of the both the balls after the collision are positive therefore the direction of the balls are moving after the collision is the same as the initial direction of motion.
a) Speed of the first ball after the collision = 2.5 m/s same initial direction
b) Speed of the second ball after the collision = 5.0 m/s same initial direction
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Two identical conducting sphere, fixed in place, attract each other with an electrostatic force of 0.108 N when their center-to-center separation is 50.0 cm. The sphere are then connected by a thin conducing wire. When the wire is removed, the sphere repel each other with an electrostatic force of 0.0360 N. Of the initial charges on the sphere, with a positive net charge, what was the negative charge on one of them?
The negative charge on one of the identical spheres in a pair of conducting, fixed, and attracted to each other by an electrostatic force spheres is -1.00*10^-6 C. We can calculate this using Coulomb's law.
We can begin by using Coulomb's law, which states that the electrostatic force between two charges is proportional to the product of the charges and inversely proportional to the square of the distance between them.
Coulomb's law can be mathematically written as:
F = k * (q1 * q2) / r^2
where F is the force, k is the Coulomb constant, q1 and q2 are the charges on the two spheres, and r is the distance between their centers.
Given that the force of attraction is 0.108 N when the spheres are 50.0 cm apart, we can use the Coulomb's law to find the product of the charges on the spheres.
0.108 N = (9 * 10^9 N*m^2/C^2) * (q1 * q2) / (0.50 m)^2
The product of the charges on the two spheres is q1q2 = (0.108 N * (0.50 m)^2) / (9 * 10^9 Nm^2/C^2) = 1.2 * 10^-7 C^2
We can use this value to find the charges on the spheres when they are connected by a thin conducting wire and repelling each other with an electrostatic force of 0.0360 N.
0.0360 N = (9 * 10^9 N*m^2/C^2) * (q1 * q2) / (0.50 m)^2
q1q2 = (0.0360 N * (0.50 m)^2) / (9 * 10^9 Nm^2/C^2) = 4.0 * 10^-8 C^2
Since the product of the charges q1*q2 is now smaller, we can assume that one of the charges (let's say q1) is now smaller and the other charge (q2) is now bigger, hence have opposite charges.
We can use the formula q1q2 = 1.210^-7 C^2 / 4.0*10^-8 C^2 = 3q1q2
q2 = 3q1 and q1q2 = 4*10^-8 C^2
Substituting, we get q1 = (410^-8 C^2) / 3q1 = 1.3310^-8 C
The negative charge on one of the sphere is 1.33*10^-8 C
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Remember that when solving radiation problems,we simplify things by measuring distancesbetween spheres center-to-center.It also helps (alot!) to make a sketch.Use the equations andconstants sheet (on Schoology) as you wish.1) We take the earth and put it into a press.ends up in the shape of a cube.We also slowdown its rotation so that one side always faces thesun. Assume that the temperature throughout thecube is uniform.a) Write an equation for the effective radiating temperature of a cube-shaped planet that has a flatside that always faces the sun.(hint: Through howmuch surface area does the cube absorb radiationrelative to the surface area through which it emitsradiation?)b)What is the effective radiating temperature ofour cubed Earth?Solve your above equation
a) The effective radiating temperature of a cube-shaped planet can be described by the equation: T_eff = (S_absorb / S_emit)^(1/4) * T_sun, where T_eff is the effective radiating temperature, S_absorb is the surface area through which the cube absorbs radiation, S_emit is the surface area through which the cube emits radiation, and T_sun is the temperature of the sun.
What is radiating temperature?The effective radiating temperature of a planet is a measure of the temperature at which the planet emits radiation to its surroundings. It can be determined by considering the ratio of the surface area through which the planet absorbs radiation to the surface area through which it emits radiation. This ratio can be represented by the equation T_eff = (S_absorb / S_emit)^(1/4) * T_sun, where T_eff is the effective radiating temperature, S_absorb is the surface area through which the planet absorbs radiation, S_emit is the surface area through which the planet emits radiation, and T_sun is the temperature of the sun. The fourth power in the formula shows that the temperature of the planet is highly dependent on the ratio of absorbed to emitted radiation.In the scenario described, the Earth has been transformed into a cube and one of its faces always facing the sun. The temperature throughout the cube is assumed to be uniform. To find the effective radiating temperature of this cubed Earth, we would need to know the specific values of S_absorb and S_emit. Without this information, it is not possible to determine the effective radiating temperature of the cubed Earth.To learn more about radiating temperature refer:
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evaluate each of the following to three significant figures and express each answer in sl units using an appropriate prefix: (a) 354 mg(45 km) / (0.0356 kn), (b) (0.004 53 mg) (201 ms), (c) 435 mn/23.2 mm.
The significant digits expressed in SI Units are: 0.447 kg.m/N, 0.911 kg.s and 18.8 GN/m
Significant digits are the digits in a measurement or calculation that are known with some level of accuracy. They include all digits that are certain, as well as one uncertain digit, also known as the last digit or the least significant digit. For example, in the number "12.34," the digits 1, 2, 3, and 4 are significant because they are all known with some level of accuracy. The number of significant digits in a measurement or calculation is important because it gives an indication of the precision of the measurement or calculation.
a) 354 mg (45 km)
(345 mg)(45 km)/0.0356 kN = [354(10^-3)g][45(10^3)m]/0.0356(10^3) N
= 0.447(10^3)g.m/N
= 0.447 kg.m/N
b) (0.00453Mg)(201ms) = [4.53(10^-3)(10^3)kg][201(10^-3)s]
= 0.911 kg.s
c) 435MN/23.2mm = 435(10^6) N/23.2(10^-3)m
= 18.75(10^9)N/m
= 18.8 GN/m
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Keeping other factors consistent, how is voxel size affected by changing the FOV from square to rectangular?
Stays the same
Increases by a factor of 4
Increases
Decreases
Increases is voxel size affected volume by changing the FOV from square to rectangular
What factors into voxel size?How is fragment size shown in the image
The values chosen for the three procedure factors—FOV, grid size, and slice thickness—determine the size and level of detail of the voxels in MR images. The proportion of a field of view (Field - of - view) as well as the length of the matrices determines the size of the a voxel in the image's plan.
How are voxels calculated?The volume element in 3D space is known as a voxel. The pixel, combined with the width of the slice, determines its dimensions Chop.
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puck with initial velocity Vo slides up and down a long; frictionless inclined plane, as seen below: Which of the following is true regarding the motion of the puck? It has a smaller acceleration while moving up the plane and a greater acceleration when moving down the plane It has a constant acceleration while moving up the plane and smaller acceleration when moving down the plane_ It moves with constant velocity both up and down the plane It has the same acceleration as it moves up and down the plane It has continually varying acceleration as it moves up and down the plane:
It will accelerate continuously. The acceleration put on by gravity will be that. Thus, correct option is: It has the same acceleration as it moves up and down the plane.
What is gravity?The force that pulls items toward the centre of a planetary or other body is known as gravity. The gravitational pull maintains each of the planet in orbit about the sun. The degree to which a coordinate in space-time is invisibly bent determines the intensity of the gravitational "field" at any given place in space or time. Massive items tumble down these bends in the direction of one another. The stronger the attraction between items, the more matter there is, and the closer together things are. And unlike electricity and magnetism, which may either repel or attract, gravity always draws objects together.
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The complete question is as follows:
a particle of mass m rests on a rough inclined plane that makes an angle with the horizontal if the coefficient of static friction find the least horizontal force acting transcerse to the slope of the plane that will cause the particle to move
So the least horizontal force that is required to cause the particle to move is:
F = μs * N = μs * mg * cos(θ)
Give explanation to support your answer.The coefficient of static friction, s, multiplied by the normal force, N, exerted on the particle results in the minimum horizontal force, F, needed to move it.
The weight of the particle, mg, multiplied by the cosine of the angle of inclination,, results in the normal force, N:
N= mg*cos()
Therefore, the smallest horizontal force needed to move the particle is:
F = sin(s*N) = sin(s*mg*cos(s))
It is significant to remember that the substance of the particle as well as the plane affects the coefficient of static friction, which is a dimensionless number with a value between 0 and 1.
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(a) Given two point charges, Q and 2Q, a distance d apart, is there a point along the straight line that passes through them where E = 0 when their signs are opposite? If yes, state roughly where this point will be.(b) Given two point charges, Q and 2Q, a distance d apart, is there a point along the straight line that passes through them where E = 0 when their signs are the same? If yes, state roughly where this point will be.
a) electric field will be zero at (2.414 × d) distance from weaker charge Q, and at (3.414 × d) distance from the stronger charge 2Q
b) electric field will be zero at '0.414d' distance from weaker charge Q, and at '0.586d' distance from the stronger charge 2Q.
What is electric field?When charge exists in any form, an electric field is linked with each point in space. E, often known as electric field strength, electric field intensity, or just the electric field, is a mathematical constant that expresses the strength and direction of an electric field.
a)
Electric field is given by:
Assuming ₁ = Q, q₂ = 2Q, and suppose q₁ is at origin and q₂ is at x = +d
Now suppose at point P, distance x = - r electric field is zero, then
E(net) = E₁ - E₂ = 0
E₁ = E₂
kq₁/r₁² = kq₂/r₂²
r₁ = distance between q₁ and P = r
r₂ = distance between q₂ and P = d + r
Using above values:
q₁/r₁² = q₂/r₂²
Q/r² = (2Q)/(d + r)²
1/r² = 2/(d + r)²
(d + r)/r = √2
(d + r) = r × √2
r = d/((√2) - 1) = 2.414 × d
So. electric field will be zero at (2.414 × d) distance from weaker charge Q, and at (3.414 × d) distance from the stronger charge 2Q.
b)
Electric field is given by:
E = kq/R²
We know that the direction of the electric field will be away from the charge when the charge is (+)ve and towards the charge when the charge is (-)ve. Since q₁ and q₂ have the same sign in the example, the electric field between the charges will be zero.
Assuming q₁ = Q, q₂ = 2Q, and suppose q₁ is at origin and q₂ is at x = +d
Now suppose at point P, distance x = r from origin electric field is zero, then
E(net) = E₁ - E₂ = 0
E₁ = E₂
kq₁/r₁² = kq₂/r₂²
r₁ = distance between q₁ and P = r
r₂ = distance between q₂ and P = d - r
Using above values:
q₁/r₁² = q₂/r₂²
Q/r² = (2Q)/(d - r)²
1/r² = 2/(d - r)²
(d - r)/r = √2
d - r = r ×√2
r = d/((√2) + 1) = 0.414d
So, electric field will be zero at '0.414d' distance from weaker charge Q, and at '0.586d' distance from the stronger charge 2Q.
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when a positively-charged proton is near a negatively-charged electron, which of the following will occur?
When a positively-charged proton is near a negatively-charged electron, The particles attracts each other due to electromagnetism .
What is electromagnetism in particles?Electromagnetism is the interaction of charged particles with electromagnetic fields in physics. One of the four fundamental forces of nature is the electromagnetic force. It is the dominant force in interactions between atoms and molecules. You can think of electromagnetism as a combination of electrostatics and magnetism, two separate but intertwined phenomena.
While magnetism is an interaction that only happens between charged particles in relative motion, electromagnetic forces happen between any two charged particles, causing an attraction between particles with opposite charges and a repulsion between particles with the same charge.
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Complete question:
When a positively-charged proton is near a negatively-charged electron, which of the following will occur
The particles attracts each otherThe particles repulses each otherThe particles become compoundThe particles are destroyeda block of mass 0.10kg is attached and secured to one end of a spring with spring constant 50nm. the other end of the spring is secured to a wall. the block is pushed against the spring, which compresses the spring to a position of x
The block has maximum speed at 0.00 m, The friction block has half the initial spring potential energy at = -0.025 m
The correct answer is B,C
Friction between two lines is what?The force preventing solid surfaces, liquid layers, and sliding material components from moving in the same direction is known as friction. Friction can take many different forms: The relative lateral movement of two solid surfaces that are in contact is opposed by dry friction.
We have given the Force Constant of spring K= 50 N/m.
At x=-0.02 m, Force =-kx
F= -(-0.02\times 50)= 1N Hence Option (A) will be correct.
A ND also block has maximum speed at x=0m at equilibrium position because
All the potential Energy get converted to Kinetic Energy.
What do you mean by frictional force?The opposing force that causes two surfaces to move in that direction or in the opposite direction when they come into contact is called frictional force. Since it is a force which resists or resists the movement of something when it comes into contact with another object and slides against it,
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The correct question is
A block of mass 0.10 kg is attached and secured to one end of a spring with spring constant 50. The other end of the spring is secured to a wall. The block is pushed against the spring, which compresses the spring to a position of z=-0.04 m. When uncompressed, the end of the spring that is attached to the block is at a position of = 0.00 m. The block-spring system is then released from rest, and the block travels along a horizontal, rough track. A motion sensor is placed so that it measures the velocity of the object as it slides along the track. A graph of total mechanical energy of the block-spring system as a function of position is shown. Which of the following statements about the block-spring system are true? Select two answers.
A-The force exerted on the block by the spring at z=-0.02 m is 1 N.
B-The block has maximum speed at 0.00 m.
C-The block has half the initial spring potential energy at = -0.025 m
D-The work done by friction as the block travels from -0.04 m to -0.02 m is 0.01 J.
when two forces are applied on an object from different direction what will be the resultant direction of the object
If two forces are applied to an object in opposite directions, the net force is the difference between the two forces. This is because both forces in opposite directions cancel each other out.
When two forces of equal strength act in opposite directions on an object, the forces cancel, resulting in a net force of zero and no motion. Equal to the sum of two forces. If two unequal forces act on an object in opposite directions, the net force is the difference between the two forces. When two forces act on any two objects in opposite directions, the net force is the difference between the two forces
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which of the following free-body diagrams could be used to analyze the forces exerted on the moon when it is at the position indicated in the figure? responses
The choice with the gravity arrow pointing to the right, option F, is the correct diagram.
how does the moon go around a planet?A moon experiences the gravitational pull of a planet. The near side of the moon suffers a stronger pull than the far side, causing it to be drawn into a somewhat stretched form. Because of the moon's analogous differential attraction to the Earth, we have tides in the oceans.The gravitational force of the Moon and Earth caused this particular case of tidal locking (called synchronous rotation).One orbit of the Sun by the Earth takes 365 1/4 days, or one year. As the Earth rotates around the Sun, so does the Moon. The Moon spends 27 1/2 days in orbit.The complete question is A moon orbits a planet in a nearly circular orbit of radius R, as shown in the figure.
Which of the following free-body diagrams could be used to analyze the forces exerted on the moon when it is at the position indicated in the figure?
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which of the following statements are true? 1) kinetic energy is conserved. 2) linear momentum is conserved. 3) angular momentum of the stick puck is conserved about the center of mass of the combined system. 4) angular momentum of the stick puck is conserved about the (stationary) point where the collision occurs.
Linear momentum is conserved, and the angular momentum of the stick puck is conserved about the center of mass of the combined system. These statements are true.
2) True. Linear momentum is conserved in a collision as long as no external forces are acting on the system.
3) True. Angular momentum of the stick-puck system is conserved about the center of mass during the collision, as there are no external torques acting on the system.
In summary, while linear momentum is conserved in any collision (2), kinetic energy is only conserved in elastic collisions, and angular momentum is conserved about the center of mass in the absence of external torques (3).
Angular momentum is not necessarily conserved about the point of collision (4).
Therefore option 2and 3 is correct.
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A first solution is created by adding the maximum amount of Lead Nitrate that can be completely dissolved at 30°C to 10 grams of water. A second solution is created by raising the temperature to 60°C and adding the maximum amount of Lead Nitrate that can be completely dissolved. What is the percent increase in amount of lea nitrate from the first solution to the second?
The percent increase in amount of lead nitrate from the first solution to the second is 5.55%.
How does the temperature of lead nitrate affect its physical properties? As the temperature of lead nitrate increases, its physical properties change. At room temperature, lead nitrate is a white, odorless, crystalline solid. When heated, lead nitrate will decompose and form a yellow-brown powder of lead oxide and nitrogen dioxide. As the temperature continues to increase, the lead oxide will become molten and eventually vaporize, leaving behind a white, insoluble solid. At high temperatures, lead nitrate will react with moisture in the air to form a yellow-brown lead oxide and nitrogen dioxide gas. This gas can be dangerous if inhaled in large amounts, and can cause respiratory irritation. Additionally, the lead oxide can form a fine dust that is hazardous if inhaled. The melting point of lead nitrate is 305°C, and its boiling point is approximately 443°C. At temperatures above these, the physical properties of lead nitrate become increasingly unpredictable and can be hazardous.To learn more about lead nitrate refer to:
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Hegskdvs a CB sksbslsvskssvsi
The correct examples of cause-and-effect relationship are both the systems speed up for the duration of the force exerted on them. Both systems stop moving for the duration of the force exerted on them. Thus, the correct options are C, D, E, and G.
What is Cause and effect relationship?Cause-and-effect relationship describes a relationship which is present between actions or events in which at least one of the action or event is a direct result of the other action or events.
The correct examples of cause-and-effect relationship are both the systems speed up for the duration of the force exerted on them. Both systems stop moving for the duration of the force exerted on them. A spring can exert a force on the dynamic cart. The force of the spring continues to act upon the cart until it stops moving.
Therefore, the correct options are C, D, E, and G.
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Optical fibers can provide people with natural sunlight for free, but what are some disadvantages to using optical fibers to light a
room with sunlight?
The advantages are Optical fibers can be expensive to install and maintain. They require a direct line of sight to the sun, which may be blocked by tall buildings or trees. Without proper insulation, the light can be very hot and create a fire hazard.
What is Optical fibers?Optical fibers are thin strands of material, usually glass or plastic, that are used to transmit light signals over long distances. Optical fibers can be used for a variety of applications, including telecommunications, medical imaging, and sensing.
The light from optical fibers is very directional, so it can be hard to evenly distribute the light around a room. Optical fibers can be prone to breakage from natural disasters or other causes.To learn more about Optical fibers
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In 2017, NASA announced that _______ is the most likely place in our solar system to find extraterrestrial life, due to its abundant water and geothermal activity.
Which of the following is not a vector? O Torque O Linear momentum O Moment of inertia O Angular momentum
A vector is not a moment of inertia. A body's inertia is a quality that makes it resist attempts to set it in movement or, if it is already moving, then change the speed or direction of it.
Describe inertia using an example.
The resistance the body offers to remain in constant motion in the absence of an external force is known as the inertia of motion. For instance, the inertia of motion causes people to slide backward when a speeding bus suddenly stops.
What are inertia and the SI unit of it?
The quality of inertia is the incapacity of an object to alter its position or the conformation of a particular body. Kilo grammes are the SI unit of inertia because mass is a measurement of inertia. Kg m2 is the unit of inertia moment if you require one.
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Assume |g| = 10 m/s^2
A free-body diagram of the block on the frictional part of the surface would show the force of friction acting in the opposite direction to the velocity of the block, and the force of gravity acting downward.
Using conservation of energy, the speed of the block at the base of the ramp can be found by setting the initial kinetic energy of the block (1/245^2) equal to the final kinetic energy of the block (1/2mv^2) and solving for v. v = sqrt((1/245^2)/(1/2*m)) where m is the mass of the block.
Using conservation of energy, the maximum vertical height H of the block on the ramp can be found by setting the initial potential energy of the block (mgH) equal to the final kinetic energy of the block (1/2mv^2) and solving for H. H = (1/2mv^2)/(m*g)
a) The total impulse given to the mass on the spring (mass A) during the brief collision is the product of the force exerted on the mass by the block and the time duration of the collision.
b) The speed of the mass on the spring (mass A) immediately after the collision can be determined using the conservation of momentum.
c) The velocity of the block immediately after the collision can also be determined using the conservation of momentum.
d) The spring constant can be determined by using the equation k = (2*F)/x, where F is the force exerted on the spring and x is the compression of the spring.
To find the horizontal range of the block from the end of the ramp, we can use the equations for horizontal and vertical motion of a projectile, with the angle of launch being 30 degrees, the initial speed being 6 m/s, and the final vertical position being 1m above the end of the ramp.
1. the time response of the coil current after the switch s is closed, as a function of the precharge voltage vx. (some types of stimulation require a field with a fast rise time and a slow fall time.)
Pre-charge circuits typically shut off pre-charge mode when the circuit voltage reaches 90% or 95% of the operating voltage. When pre-charging is finished, the pre-charge resistance is disconnected from the power supply circuit and switched back to a low-impedance power source for normal mode.
A current-limiting circuit known as pre-charge reduces the charging rate of the bus capacitors during power-up in a pulse width modulated (or PWM) VFD. (For more information on bus capacitors, go HERE) The input power devices would be harmed otherwise by the early inrush. To control this inrush current and gradually charge the downstream capacitance, a precharge circuit is employed. For components to function properly and be protected in high-voltage applications, it is essential.
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which of the following best represents the minimum coefficient of static friction required for the race card to continue to follow the circular path shown?
The following best represents the minimum coefficient of static friction required for the race card to continue following the circular path shown. μ[tex]_{s}[/tex]=v²/Rg
N cosθ=mg
N sinθ=mv²/R
So,
Tanθ=v²/Rg=μ[tex]_{s}[/tex]
So,
μ[tex]_{s}[/tex]=v²/Rg
Static friction is a force that keeps an object at rest.
The friction felt when attempting to move a stationary object on a surface without causing any relative motion between the body and the surface.
It can be defined as the force of friction that precisely balances the applied force for the duration of the body's stationary state.
The static frictional force is self-regulating, which means that it will always be equivalent and opposite to the force applied.
Static friction occurs when individuals attempt to move a stationary object on a surface without actually causing any relative motion between the body and the surface.
The correct question is:
Which of the following best represents the minimum coefficient of static friction required for the race car to continue to follow the circular path shown?
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The complete question is:
which of the following best represents the minimum coefficient of static friction required for the race card to continue to follow the circular path shown?
A) Rg/V²
B) Mv²/R
C) v²/g
D) v²/Rg
E) v²/2Rg
d) How could you leave an electroscope charged after all other objects had been taken away?
An electroscope can be recharged by bringing a charged object near it without touching it.
What are some common methods for charging an electroscope?There are several common methods for charging an electroscope, including: rubbing the electroscope with a cloth, using a static generator, or bringing the electroscope into contact with a charged object. Rubbing the electroscope with a cloth, such as silk or fur, is a simple method that transfers electrons from the cloth to the electroscope. Using a static generator, such as a Van de Graaff generator, can create a large charge on the electroscope. Bringing the electroscope into contact with a charged object, such as a charged rod or balloon, can also transfer charge to the electroscope. Additionally, some electroscopes are designed to be charged by simply turning a knob or flipping a switch.
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Assuming that the initial pressure of X(2)(the 2 is at the bottom) was 0.10 bar, calculate the value of K for the decomposition.
The forward reaction and the reverse reaction have the same pace when a reaction is at equilibrium.
What is a short review of equilibrium and Kc?At equilibrium, the forward and backward reactions continue to take place while the concentrations of the reaction's constituents remain constant.For a reaction taking place at a specific temperature, the ratio of concentrations at equilibrium is defined by equilibrium constants. To denote equilibrium constants, we typically use the symbols KK or c K c K, start subscript, start text, c, end text, and end subscript. The subscript c in the symbol c K c K, start subscript, start text, c, end text, and end subscript denotes that all concentrations are stated in terms of molar concentration, or mol solute L of solution L of solution mol solute start.Divided by, start text, L, space, o, f, space, s, o, l, u, t, I o, n, end text, end fraction. start fraction, start text, m, o, l, space, s, o, l, u, t, e.To Learn more About equilibrium refer to:
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During a certain time interval, the net work done on an object is zero joules. We can be certain that ____.the object was at rest at the end of this intervalthe object’s final speed was the same as its initial speedthe object was at rest during this entire interval
During a certain time interval, the net work done on an object is zero joules. We can be certain that the object's final speed was the same as its initial speed.
What is speed?Velocity is the rate and direction of an object's movement, whereas speed is the time rate at which an object is moving along a path. In other words, velocity is a vector, whereas speed is a scalar value. the speed at which an object's position changes in any direction. The distance traveled in relation to the time it took to travel that distance is how speed is defined. The rate at which a distance changes over time is referred to as speed. It has a dimension of time-distance. As a result, the basic unit of time and the basic unit of distance are combined to form the SI unit of speed. Thus, the metre per second (m/s) is the SI unit of speed.
Here,
The net work performed on an object during a specific time period is zero joules. The object's final speed was definitely the same as its starting speed, according to our calculations.
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