The magnitude of the average force is 120,000 N.
Describe force.A factor is an effect that has the power to alter an object's motion. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or even a pull. A force is a vector quantity since it has either magnitude and direction.
Determine the car's acceleration when it is stopping: take the car in the + direction
v = u + at
0 = 10m/s + a*0.1
0.1a = -10m/s
a = -1000 m/s^2
a = 100m/s^2 in opposite direction to direction of car
F = m*a
F = 1200kg * -100m/s^2
F = -120,000 N
Force = 120,000 N in opposite direction to direction of car
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question the work that must be done by an external agent to move a point charge of 2 mc from the origin to a point 3 m away is 5 j. what is the potential difference between the two points?
1.5 × 10³V is the potential difference between the two points where work done by external agent to move a point charge of 2 mc from the origin to a point 3 m away is 5 J.
What is potential difference?The quantity of current times the resistance equals the potential difference (also known as voltage), which is equal to that. When a charge travels between two locations in a circuit, a potential difference of one Volt is equivalent to one Joule of energy being used by that charge.
W = 5J, the amount of work required to move the point charge by the external agent.
q = 2 mC, is the point charge.
Description of the work is,
W = Vq
V=W/q
Replace the values listed,
V = 5J / 2mC
V = 5J / 2 × 10 ⁻³C
V = 2.5 × 10³ V
Consequently, the possible discrepancy between the points is 1.5 × 10³V
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The change in the viscosity of a melt is directly proportional to the change in Choose one or more:
A.silica content.
B.carbon dioxide.
C.water content.
D. temperature
All of the options are valid; a melt's viscosity changes in a direct relationship with its silica content, carbon dioxide content, water content, and temperature.
What is a simple explanation of viscosity?Low viscous fluids flow easily because thier molecular structure causes minimal to no friction when they are in action. Viscosity also exists in gasses, however it is less obvious in typical situations.
Is viscosity a liquid or a solid?Another form of bulk attribute called viscosity is the resistance of a liquid to flow. A liquid has a higher viscosity when the forces of attraction within it are strong. Imagine two liquids competing for the first place in a race down a windshield to understand this phenomenon.
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Part A What is the strength of the magnetic field at the center of the loop in the figure? (Figure 1) Express your answer to two significant figures and include the appropriate units.B= Value SubmitProblem 32.48 Assume that I=4.8A and d = 1.6cm.
The equation B=μ0I/2R, where R is the loop's radius, describes how strong the magnetic field is in the loop's center. The direction of the field with regard to the loop is provided by RHR-2. so, B= [tex]9.65097263\times10^{-6}[/tex]
The magnetic field strength is one of two metrics used to describe a magnetic field's intensity.
Technically, a difference is made between magnetic field strength H, measured in amperes per meter (A/m), and magnetic flux density B, commonly known as teslas, measured in Newton-meters per ampere (Nm/A) (T).
The magnetic field is depicted by magnetic field lines. The field strength and the density of the field lines are correlated.
The total number of magnetic field lines in a particular area is known as the magnetic flux.
B=[tex]=4\Pi \times 10^{-7}\times 4.8 \times 1.6[/tex]
B= [tex]9.65097263\times10^{-6}[/tex]
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This table displays information about position and time. What was the average speed of the baseball from the time it left the pitcher's hand to the time it was 7. 2 m from the pitcher's hand? question 10 options: 25. 7 m/s 50. 7 m/s 30. 2 m/s 20. 5 m/s.
The baseball moved at an average speed of 25.7 m/s from the moment it left the pitcher's hand until it was 7.2 meters away. As a result, choice (A) is the right response.
The object's average speed is the total distance it travels in a predetermined amount of time. It has a scalar value. It is characterised by the magnitude and lacks direction. You can calculate it by dividing the total distance travelled by the total amount of time needed to travel that distance.
Following are the calculations for baseball's typical speed:
the distance the ball travelled is 7.2 metres
the time taken is 0.28 seconds
Speed = Distance/Time.
Speed =7.2/0.28
=> 25.7 m/s.
Consequently, the baseball's average speed from the moment it left until it arrived was 25.7 m/s.
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how large an angle in radians and degrees does the diameter of the moon subtend to a person on the earth
The 0.54° large an angle in radians and degrees does the diameter of the moon subtend to a person on the earth.
What is radian ?
One radian is defined as the angle that is subtended at its center by an arc of length one unit in a unit circle (a circle with radius one unit). The radian unit of measurement is represented by the letters "rad" or "c".
What is diameter ?
The line through a circle's center with two extremes on its circumference is said to have a diameter. The term "semi-circle" refers to the division of a circle into two equal sections by its diameter. A circle's center is where its diameter meets.
Therefore, 0.54° large an angle in radians and degrees does the diameter of the moon subtend to a person on the earth.
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which free ai model can i use to generate cool avatar similar to lensa ai images from one of my headshots?
Lensa is the free AI model you can use to generate cool avatar similar to lensa, AI images from one of my headshots.
Lensa generates its avatars using Stable Diffusion, an open-source AI model that generates images based on text prompts. Stable Diffusion is built using LAION-5B, a massive open-source data set that has been compiled by scraping images off the internet. With AI Avatar Generator, you can easily generate a realistic-looking avatar of yourself or anyone else. All you need to do is upload a photo of the person you want to create an avatar of and the generator will automatically generate an AI-generated avatar that looks almost like the real person. the avatar creation is used for social media blogs or any other of the web pages. by this primary information, we can firmly conclude that Lensa is the free AI model you can use to generate cool avatar similar to lensa, AI images from one of my headshots.
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What would be the name of the isotope if an atom of aluminum has 13 protons and 15 neutrons?.
According to the periodic table, aluminum has an atomic number of 13 and 13 protons, so an atom with 13 protons and 15 neutrons is an isotope of aluminum.
Aluminum is a silver-white light metal. Soft and easy to play. Aluminum is used in a variety of products including cans, foils, kitchenware, window frames, beer kegs, and aircraft components. One isotope of aluminum, aluminum 26 (26Al), contains 13 protons and 13 neutrons in its nucleus. Unlike the stable isotope aluminum 27, which contains an extra neutron, 26Al is radioactive and decays with an exponential lifetime of about 1 million years.
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The volume of a block of iron is 9 cc and its mass is 70.83 g. What would be the volume of a block of aluminum that has the same mass as the block of iron? (The density of aluminum is 2.70 g/cc).answer choices24.30 cc26.23 cc70.83 cc191.24 cc
The volume of a block of aluminum that has the same mass as a block of iron would be 26.23 ccs.
To find the volume of a block of aluminum that has the same mass as a block of iron, we need to use the formula:
Density = Mass/Volume
Given that the density of aluminum is 2.70 g/cc, we can find the volume by rearranging the formula:
Volume = Mass/Density
Since the mass of the block of iron is 70.83 g, we can substitute this into the formula:
Volume = 70.83 g / 2.70 g/cc = 26.23 cc
So the volume of a block of aluminum that has the same mass as the block of iron would be 26.23 ccs.
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What is the magnitude of the emf induced between the two sides of the shark's head?
Express your answer using two significant figures.
= mV
The magnitude of the emf induced between the two sides of the shark's head is 0.0448 mV.
What is Induced emf?It is defined as the generation of a potential difference in a coil as a result of changes in the magnetic flux through it. In simpler terms, electromotive force (EMF) is said to be induced when the flux linking with such a conductor or coil changes.
Electromotive forces can be produced in two ways.
The first method entails placing an electric conductor in a varying magnetic field.The second method involves placing a constantly moving conductor in a static magnetic field.The following are some examples of induced emf applications:
It is used in generators.It is used in galvanometers.It can be found in transformers.Magnetic field B = 56 × 10-6T
speed v = 1.0 m/s,
length l = 80 cm = 0.8 m
Induced emf is e = - B l v
= 56 × 10-6 T × 0.80 m × 1.0 m/s
= 0.0448 mV
Thus, the magnitude of the emf induced between the two sides of the shark's head is 0.0448 mV.
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Full question:
A scalloped hammerhead shark swims at a steady speed of 1.0 m/s with its 80 -cm-wide head perpendicular to the earth's 56µT magnetic field?
What is the magnitude of the emf induced between the two sides of the shark's head?
Express your answer using two significant figures.
= mV
a solid sphere, a solid cylinder, and a hollow cylinder are placed at the top of an inclined plane. if all are made of the same material and are released at the same time, which one will reach the bottom first? group of answer choices the solid cylinder. the sphere. the hollow cylinder.
The solid sphere will reach the bottom of the inclined plane first. The reason for this is that the sphere has the smallest surface area to volume ratio which means that there is less friction acting on it as it rolls down the incline.
Which moves more quickly, a sphere or a cylinder?Solid sphere moves more quickly than solid cylinder because it has a lower moment of inertia and more kinetic energy during translation. Comparable solid objects move more slowly than hollow ones.
Which reaches the bottom first, the cylinder or the sphere?If a cylinder and a sphere have the same mass and radius, the cylinder will have a greater moment of inertia due to its greater mass at its edges. Because the sphere's moment of inertia is smaller, it will move faster and arrive at the bottom first.
What causes a hollow cylinder to roll more slowly?The process by which potential energy (PE) is transformed into kinetic energy is the cause of the solid cylinder's faster descent than the hollow cylinder. Some of the PE is transformed to rotating kinetic energy (RKE), not simply linear kinetic energy, because the cylinder is rolling (LKE).
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Are the data from this experiment alone sufficient to conclude that the allele for smooth seeds is dominant over the allele for wrinkled seeds?
If Mendel knew that the allele for smooth (R) seeds was dominant over the allele for wrinkled (r) seeds, and the cross was Rr × rr, the middle column of the Punnett square would be filled with all Rr, because R is dominant over r.
If Mendel knew that the allele for smooth (R) seeds was dominant over the allele for wrinkled (r) seeds, and the cross was Rr × rr, the numbers that would fill the middle column of the Punnett square would be all Rr because the dominant allele R masks the recessive allele r.
The Punnett square for this cross would look like this:
R r
r Rr
r Rr
Each box in the middle column represents the genotype of an individual offspring produced by the cross, and since R is dominant over r, the genotype of all the offspring will be Rr, which results in a smooth seeds phenotype.
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for each of the situations given, state whether frictional forces do positive, negative, or zero work on the italicized object. hint (a) a plate slides across a table and is brought to rest by friction. positive negative zero (b) a person pushes a chair at constant speed across a rough, horizontal surface. positive negative zero (c) a box is set down on a stationary conveyor belt. the conveyor belt is then turned on and the box begins to move, being carried along by the belt. positive negative zero (d) a person exerts a horizontal force on a banana at rest on a counter top. the banana remains at rest. positive negative zero
Concept: If the (frictional) force and the displacement are the same, then the work will be positive and (a) and (b) have negative values. (c)has positive (d) has zero.
What does physics mean by displacement?An object's directional movement if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a lecturer moves to the right in relation to a whiteboard. Displacement describes this shift in location.
Can there be zero displacement?A body that goes a distance and then returns to its initial location has the same starting and ending points. In this case, the displacement is 0 but the distance covered is not. It is possible to have positive, negative, or even zero displacements.
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why do scientists suspect that most of our galaxy's mass consists of dark matter? drag the terms on the left to the appropriate blanks on the right to complete the sentences.
It is because there is too much gravity for the physical mass in the cosmos to account for, which implies that secret (dark) mass-adding must be taking place to fill in the missing mass and explain the gravity level of the universe.
What materials makes up dark matter?Dark matter can't be found by measuring electromagnetic radiation since its particles don't absorb, reflect, or emit light. Material that cannot be immediately observed is known as dark matter. Due to the impact it has on directly visible objects, we are aware that dark matter exists.
What occurs if dark matter collides with Earth?Dark matter particles have the ability to pass through all other types of matter, which suggests that they may even be able to pass through our globe without losing any energy at all. On the other side, their collision with the common material that makes up Earth could cause them to suffer a minor setback and lose some energy.
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an antitank gun is located on the edge of a plateau that is 60m above the surrounding plain. during a training exercise, an enemy tank a placed stationary on the plain and at a horizontal distance of 2.2 km from the gun. the cannon is set to an angle of 300 above the horizontal. a. a practice round is shot, and the round reaches the apex its path of travel after 12.24 s. calculate the muzzle velocity of the cannon. b. in the second training exercise, the cannon is locked into an angle of 100 above the horizontal. calculate how far away from the cliff's edge the cannon will hit. c. and this time, the tank begins to accelerate away from the gun with an acceleration of 0.9 m/s2 . calculate how long should the crew wait before firing in order to hit the tank.
An anti-tank cannon is situated 60 meters above the surrounding plain, on the edge of a plateau. An adversary tank was positioned at 89.44° during a practice exercise.
What distinguishes surrounding from around?The focus of attention is on the individual who is surrounded: "The audience gathered around the magician as he worked his magic." To be around something is to be close to it.
Calculation
In situations like this air resistance are usually been neglected thereby
making g= 9.81 m/
Bring out the given parameters from the question:
Initial Velocity () = 1000 m/s
Target distance (d) = 2000 m
Target height (h) = 800 m
Projection angle ∅ = ?
Horizontal distance = tcos ∅ .......................... Equation 1
where = velocity in the X - direction
t = Time taken
Vertical Distance = y = t - g ................... Equation 2
Where = Velocity in the Y- direction
t = Time taken
= sin∅
Making time (t) subject of the formula in Equation 1
t = d/(cos ∅)
t = = = ...................Equation 3
substituting equation 3 into equation 2
Vertical Distance = d = - g
Vertical Distance = h = sin∅ - g
Vertical Distance = h = dtan∅
- g Applying geometry
= + 1
Vertical Distance = h = d tan∅ - 2 g ( + 1)
substituting the given parameters
800 = 2000 tan ∅ - 2 (9.81)( + 1)
800 = 2000 tan ∅ - 19.6( + 1) Equation 4
Replacing tan ∅ = Q .....................Equation 5
In order to get a quadratic equation that can be easily solve.
800 = 2000 Q - 19.6 + 19.6
Rearranging 19.6 - 2000 Q + 780.4 = 0
= 101.6291
= 0.411
Inserting the value of Q Into Equation 5
tan ∅ = 101.63 or tan ∅ = 0.4114
Taking the Tan inverse of each value of Q
∅ = 89.44° ∅ = 22.37°
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what is the magnitude of the gravitational force of attraction between two 0.425 kilogram soccer baalls
Two 0.425 kilogram soccer balls are attracted to one another by a gravitational force with an intensity of [tex]F =4.82*10^{-5}[/tex].
We must apply the equation shown below to calculate the gravitational force (F), All objects with mass are attracted to one another by the gravitational attraction, which has a magnitude that is directly proportional to the masses of the two objects and inversely proportional to the square of their distance from one another.
Therefore, the only unit left is meters kilograms per second squared, which is equal to newtons. Therefore, the gravitational force between the Earth and the Moon is 1.98 x 10^(-20) newtons.
Here magnitude in terms of force:
[tex]F=Gm_{1} m_{2}/r^{2} \\F = (6.67*10^{-11} * 0.425* 0.425)/0.5^{2} \\F =4.82*10^{-5}[/tex]
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fill in the blank. A 0.50-kg sphere at the top of an incline has a potential energy of 8.0 joules relative to the base of the incline. Rolling halfway down the incline will cause the sphere's potential energy to be ______________.
Answer:
The gravitational potential energy of the sphere would be reduced to [tex](1/2)[/tex] of the initial value.
Explanation:
Near the surface of the Earth, the gravitational field is approximately uniform. The gravitational field strength is approximately [tex]g \approx 9.81\; {\rm N \cdot kg^{-1}}[/tex].
In a uniform gravitational field, the gravitational potential energy (GPE) of an object relative to the ground is proportional to height. For example, if an object of mass [tex]m[/tex] is at a height [tex]h[/tex] above the ground, the GPE of this object would be [tex]m\, g\, h[/tex] relative to the ground.
In this example, the height of the sphere is reduced to [tex](1/2)[/tex] of its initial value. As a result, the GPE of this sphere relative to the ground would also be reduced to [tex](1/2)\![/tex] of the initial value.
Can anyone help me in this question
Answer:
a. 300 Ω
b. 0.01 A
Explanation:
a. since they are connected in series, the total resistance is equal to sum of both resistors
R' = 100Ω + 200Ω
R' = 300Ω
b. current = voltage/resistance
I =[tex]\frac{3}{300} = \frac{1}{100}[/tex] = 0.01
the analysis of a falling object in a gravitational field is analogous to a charge falling in an electric field suppose that a particle of mass 1.75 x 10 5 kg and charge 2.00 x 10 3 c is present in a uniform electric field that points in y direction and has a strength of 400 n c what is the ratio of the magnitude of the electric force exerted on the particle to the magnitude of the gravitational force exerted on the particle
The ratio of the magnitude of the electric force to the magnitude of the gravitational force exerted on the particle is 3.43 x 10^6.
What is gravitatonal force?Gravitational force is a fundamental force of nature that causes objects to be drawn to each other. It is the force that keeps us on the ground and keeps the planets in their orbits around the sun. It is an attractive force between two masses and is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. This means that the closer two objects are, the greater the gravitational force is between them.
The ratio of the magnitude of the electric force to the gravitational force is equal to the ratio of the charge squared to the mass of the particle.
In this case, the ratio is equal to:
(2.00 x 10^3 c)^2 / (1.75 x 10^5 kg) = 3.43 x 10^6.
Therefore, the ratio of the magnitude of the electric force to the magnitude of the gravitational force exerted on the particle is 3.43 x 10^6.
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what is the magnitude e of the electric field at the point on the x axis with x coordinate a/2?
According to Coulomb's law, the electric field's strength is provided by the formula E1=KQ[tex]_{2}[/tex] =Kq[tex]_{1}[/tex], where Q is the source charge on the x-axis.
The electric field's size is determined by the equation E = F/q, where E is the electric field's strength, F is the electric force, and q is the test charge being used to "feel" the electric field.
The force that a unit positive charge applied to a given site would experience is known as the electric field intensity. A vector quantity is electric field intensity. 'E' stands for it. Electric field is calculated as F/q. The direction of the electric field is straight toward a negative point charge and straight away from a positive point charge.
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determine the minimum speed necessary for a roller coaster car to pass the top of a 12 m radius loop without falling.
The centripetal acceleration must be equal to and in opposition to gravity in order for there to be a net force of zero g's at the top of the loop. the minimum speed required for a roller coaster car is 10.844m/s.
V²/12m = 9.8 m/s²
V = √(12)(9.8) m/s =10.844 m/s.
Acceleration is the rate at which velocity changes with time in terms of both speed and direction. A straight-line moving point or object is accelerated if it speeds up or slows down. Motion on a circle is accelerated even if the speed is constant because the direction is constantly changing. For all other types of motion, both effects contribute to acceleration.
Because acceleration has both a magnitude and a direction, it is a vector quantity. Velocity is also a vector quantity. Acceleration is defined as the change in the velocity vector over a time interval divided by the time interval. The limit of the ratio of the change in velocity gives the instantaneous acceleration (at a specific moment and location).
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a hypothetical planet has a mass of twice that of the earth and a radius of four times that of the earth. what is the acceleration due to gravity on the planet in terms of g, the acceleration due to gravity at the earth?
The acceleration due to gravity on the planet will be 8g.
What is gravity?Gravity is the force of attraction between objects that is exerted by the masses of those objects. It is the weakest of the four fundamental forces in nature and is most noticeable when two objects of significant mass interact. On Earth, gravity is what keeps us firmly rooted to the ground and is what causes objects to fall when we drop them. It is also what causes the moon to orbit around the Earth and the planets to orbit around the sun.
This is because the acceleration due to gravity is directly proportional to the mass of a body and inversely proportional to the square of its radius. This means that if the mass of a body is doubled and its radius is quadrupled, the acceleration due to gravity will be 8 times the acceleration due to gravity at the Earth.
Therefore, the acceleration due to gravity on the planet will be 8g.
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The acceleration due to gravity on the planet will be g/8
What is gravity?Gravity is the force of attraction between objects that is exerted by the masses of those objects. It is the weakest of the four fundamental forces in nature and is most noticeable when two objects of significant mass interact. On Earth, gravity is what keeps us firmly rooted to the ground and is what causes objects to fall when we drop them. It is also what causes the moon to orbit around the Earth and the planets to orbit around the sun.
This is because the acceleration due to gravity is directly proportional to the mass of a body and inversely proportional to the square of its radius.
As we know,
Charge (q) = GM/R²
Here, R = radius of the planet
M = mass of the planet
G = Gravitational constant
Now, after putting the values we get:
q = (G × 2me) / (4ve)²
or, q = 1/8 (Gme/ve²)
or, q = 1/8 × g
Therefore, the acceleration due to gravity on the planet will be g/8
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an aluminum cube with side length of 10 cm is divided into two equal pieces so that a hemi-spherical recess with diameter of 8 cm can be bored out of each of the two pieces. if the density of aluminum is 2.7 grams per cubic cm, what is the mass of the remaining metal of the two parts of the cube, to the nearest gram? (density is mass divided by volume.)
The total mass of the remaining metal of the two parts of the cube is approximately 3966 g to the nearest gram.
What is mass?The amount of matter in an object is indicated by its mass. It is typically expressed in grams, kilograms, and tonnes when using the metric system. Mass and Weight are different from one another.
The cube has a volume of 10cm x 10cm x 10cm = 1000 cm^3.
The hemi-spherical recess has a radius of 4cm, so the volume of the recess is (2/3)π(4cm) ^3 = 268.08 cm^3.
The volume of the remaining metal of each piece of the cube is (1000 cm^3 - 268.08 cm^3) = 731.92 cm^3.
So, the mass of the remaining metal of each piece is (density of aluminum) x (volume of remaining metal) = 2.7 g/cm^3 x 731.92 cm^3 = 1983.024 g.
Therefore, the total mass of the remaining metal of the two parts of the cube is 1983.024 g x 2 = 3966.048 g, which is approximately 3966 g to the nearest gram.
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When is an object acceleration? a. change in direction velocity stays the same b. change in speed change in color objects are always accelerating
Answer:
A
Explanation:
change in direction ,velocity stays the same
find the capacitance of a parallel plate capacitor having plates of area 5.00 m2 that are separated by 0.100 mm of teflon.
The capacitance of a parallel plate capacitor with 5.00 m² plates separated by 0.100 mm of Teflon is 0.0427 μF.
Given,
C=ε₀A/D
C=(8.854×10⁻¹²)(5)/0.1×10⁻³
C=4.427×10⁻⁸=0.0427 μF
Capacitance is the property of an electric conductor or set of conductors measured by the amount of separated electric charge that can be stored on it per unit change in electrical potential. Capacitance also implies electrical energy storage. When an electric charge is transferred between two initially uncharged conductors, both become equally charged, one positively, the other negatively, and a potential difference between them is established. The capacitance C is defined as the ratio of the amount of charge q on either conductor to the potential difference V between them, or C = q/V.
The coulomb is the unit of electric charge in both practical and scientific systems, and the volt is the unit of potential difference.
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you are riding a bicycle into a strong head wind, but manage to keep moving in a straight line at a constant speed. the net force on you is
You are riding a bicycle into a strong headwind, but manage to keep moving in a straight line at a constant speed net force on you is zero.
The force of the wind pushing against you is balanced by the force of your pedaling, allowing you to maintain a constant speed and stay in a straight line. This means that the forward force of your pedaling is equal in magnitude but opposite in direction to the backward force of the wind.
The net force is the vector sum of these two forces, which is zero. This is similar to the concept of action and reaction in Newton's Third Law of Motion, where for every action there is an equal and opposite reaction.
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31 Consider Earth to be stationary, and the Moon as orbiting Earth in a circle of radius R. If the masses of Earth and the Moon are Mg and MM respectively. which of the following best represents the total mechanical energy of the Earth-Moon system? (A s GM MM 2 R GMEM GMEM GM MM 2GMEMM (C)2R
2R is the best represents the total mechanical energy of the Earth-Moon system.
What term do you use instead of mechanically?The words automatic, impulsive, instinctual, and spontaneous are some typical substitutes to mechanical. While all of these terms refer to "doing or engaging without deliberate action," mechanical emphasizes how lifeless and frequently mechanical the response is. When mechanical may not be the best choice.
What does the term "technological thinking" mean?What does mechanical thinking entail? When pupils think mechanically, their brains just repeat thought loops without giving them any consideration. Children could automatically think, "I'm not strong at arithmetic," for instance. They simply remember it everytime they encounter a math problem.
Toral potential energy of earth and moon=-G*Me*Mm/R
Velocity of moon=sqrt(GMe/R)
Kinetic energy of moon=0.5*Mm*v^2=0.5*G*Me*Mm/R
Total energy=-GMe*Mm/2R
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a roller coaster ride at an amusement park has a radius of 7.5 m. at what velocity must the coaster be moving at the top of the loop in order for the passengers to stay in their seats as it reaches the top of the arch?
The velocity at the top of the loop will depend on the mass of the passengers and the shape of the loop. Assuming a circular loop and a typical passenger mass, the velocity must be at least 12.2 m/s.
What is the mass ?
A particular object's mass is a measurement of its amount of matter. It is typically expressed in grams (g) or kilograms (kg). Mass is a scalar quantity, meaning that it has no direction and is only expressed as a numerical value. Mass is an important concept in physics, particularly in the study of mechanics. Mass can be used to calculate an object's weight, which is the force of gravity on an object. Weight is a vector quantity, meaning that it has both a direction and a numerical value.
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What is free-fall acceleration toward the sun at the distance of the earth's orbit? Express your answer to two significant figures and Include the appropriate units
The free-fall acceleration toward the sun at the distance of the earth's orbit is 5.93x 10⁻³ m/s².
What does acceleration mean when in free fall?Free fall acceleration is the speed at which a body falls while only being pulled by the gravitational pull of the earth. On the surface of the earth, it has a value of 9.8 ms² and is represented by the symbol g.
The expression for free fall acceleration
towards sun is,
a = GM/R
Mass of the Sun is, M = 1.989x 10³⁰ kg
Distance between sun and earth, R = 1496 x10¹¹ m
The value of G is, G = 6.67 x 10⁻¹¹ Nm²/kg²
Calculate the free fall acceleration
towards sun at a distance of earth's orbit is,
a = GM/R
a = (6.67x10⁻¹¹ Nm²k)(1.989 x10³⁰)/(1.496 x10¹¹ m)²
a = 5.93x 10⁻³ m/s².
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what is the breakdown for the composition of the universe by element
Answer:
Explanation: earth water fire space thats are the breakdown for the composition of the universe by element
an uneven arrangment of electrons and protons on a circular arc of radius with angles what are the magnitude and direction of the net electric field produced at the center of the axis
Without more information on the specific arrangement of electrons and protons, it is not possible to determine the magnitude and direction of the net electric field produced at the center of the axis. The electric field is determined by the distribution of charges and their relative positions.
What is an electric field?
An electric field is a force field that surrounds an electric charge, which exerts a force on other charges within the field. The strength of the electric field is represented by the electric field strength (E) and is measured in units of newtons per coulomb (N/C). The direction of the electric field is defined as the direction that a positive test charge would be pushed or pulled if placed in the field. The magnitude of the electric field at any point in space is defined as the force experienced per unit charge, at that point. Electric fields can be created by a variety of sources, including stationary charges, moving charges, and changing magnetic fields.
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