The time-dependent voltage across the capacitor is give below in the expression.
What is voltage in plain English?Voltage is the term used to describe the "pressure" that drives electricity. A voltage is measured in volts (V), and greater voltages result in more electricity flowing to electronic equipment.
What is a voltage in amps?A "volt," a unit of electric potential, also known as electromotive force, is defined as "the potential difference between two points of a conducting wire carrying a continuous current of 1 ampere, where the power expended between these locations is equal to 1 watt." It appears that there is a one-volt potential, to put it another way.
The time-dependent voltage across the capacitor V(t)=V0 sin(wt)
The amplitude of total current is I0=V0/x
here x is th inductive capacitance =1/(wc)
so, I0=V0 *c*w
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what is the magnitude of a point charge that would create an electric field of 2.10 n/c at points 3.40 m away?
At a distance of 3.40 m from the source, the electric field's strength is calculated to be 1.111010C.
How big of a point charge would be needed to produce an electric field?
Test = k | Q | r 2 when E = F q. The size of the electric field produced by a point charge Q is determined by this equation. The distance r in the denominator is the separation between the point of interest and the point charge, Q, or the center of a spherical charge.
What is the magnitude field formula?
The equation describes the force acting on a wire carrying current I and having length L in a magnetic field. Where is the angle formed by the wire and the magnetic field, and F=ILBsin.
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if the tension on the string is halved and the string is replaced by another with twice the linear density, by what factor will the speed of a wave on the string change?
The factor by which the speed of a wave on the string change is halved (1/2).
What is a string of mass's tension?The pull that is designated as tension is in that direction. As a result, the tension will point toward the string or rope and away from the mass. When a mass is hanging, the string pulls it upward, applying an upper force, which causes the tension to be on the upper side.
Tension= T' = 1/2T
Linear density = (m/L) final = 2 (m/L)
Speed of the wave = v => sqrt(T/(m/L)
=> sqrt(T/2 x 2(m/L) )
V final = 1/2sqrt(T/(m/L)
=> 1/2 times V
What does linear density mean?Mass per unit length of a strand or along the flow route of a stream of fibres is referred to as linear density.
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diagram of love shows one way to measure the volume of a irregular object which of the following measures men's
There is no scientific way to measure the volume of someone's love. Love is an emotion and cannot be measured by any scientific means.
What is volume?Volume is the measure of the amount of something. It could be the amount of space that something occupies or the amount of something that is present. It could be the amount of liquid, gas, or solid, or the amount of sound. It is an important concept in physics, mathematics, and other sciences. It can be measured in units such as cubic meters, liters, gallons, quarts, or decibels. Volume can be used to compare objects of different sizes, to measure the amount of a certain material, or to compare the relative sizes of two objects.
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the complete question is -
diagram of love shows one way to measure the volume of a irregular object which of the following measures men's
State the law of conservation of linear momentum and describe its consequences.
The law of conservation of linear momentum states that if no external forces act on the system of two colliding objects, then the vector sum of the linear momentum of each body remains constant and is not affected by their mutual interaction.
What is linear momentum?Linear momentum is defined as a vector quantity which is the product of the mass of an object and the velocity of the same object.
The law of momentum agrees that the the total momentum of a system remains constant.
In a linear momentum, the law of conservation states that if no external forces act on the system of two colliding objects, then the vector sum of the linear momentum of each body remains constant and is not affected by their mutual interaction.
The consequences of the this law of conservation is that If the net external force acting on a system of bodies is zero, then the momentum of the system remains constant.
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Imagine hanging from a chin-up bar and beginning a chin-up. Which of the following velocity versus time graphs best represents the first part of your motion (from being at rest to being approximately halfway to the bar)
The graph between velocity and time, which increases exponentially, best depicts the initial phase of your motion (from being at rest to being approximately halfway to the bar).
The velocity of an item in motion is a function of time and quantifies how quickly its position modifies with respect to a frame of reference. A moving object's velocity indicates both its direction and speed of motion. When we say that something is moving, what we really mean is a change in the object's position with respect to time. Things in motion, such as a book falling off a table, water running from a faucet, rattling windows, etc., serve as examples of motion.
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an oscillator consists of a block of mass 0.500 kg connected to a spring. when set into oscillation with amplitude 35.0 cm, the oscillator repeats its motion every 0.500 s. find the (a) period
The period must be T = 0.500 s because the motion repeats every 0.005 s.
What is oscillation in motion?The to-and-fro movement of the body in relation to its fixed position is referred to as oscillatory motion. Periodic motion includes oscillatory motion. Strings that are vibrating or even a pendulum that is swaying are examples of oscillatory motion.
Is vibration and oscillation the same thing?Oscillations & vibrations aren't the same thing since oscillations are defined as a solid body's specific amount of displacement in relation to its travel time or distance. While The movement or alteration that oscillations in the body generate is known as vibration.
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Read the following passage.The cathode ray experiment indicated the existence of negatively charged particles in an atom. This experiment also disproved the part of Dalton's atomic model that claimed indivisibility of the atom. When the experiment was repeated using cathodes made of a different metal, each time the results were consistent. These discoveries of Thompson were later substantiated by Robert Millikan when he calculated the charge on an electron.Use information from the passage to justify whether the characteristics of reliable scientific explanations are present in the development of the atomic theory.
According to the atomic theory, matter was composed of indivisible units called atoms. The atomic theory was first proposed as a philosophical idea rather than on solid scientific grounds.
What explains the atomic theory?The atomic theory of matter aims to shed light on the composition of matter—the substances from which the universe, all galaxies, solar systems, and Earth are made. The atomic theory of matter asserts that every chemical element is composed of basic building blocks called atoms. John Dalston was the first to make this claim.
Atoms make up every form of matter. Atoms from the same element are identical, while atoms from other elements are distinct. Compounds are created when whole-number ratios of atoms combine.
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TRUE OR FALSE As a projectile rises towards the peak of its trajectory, the vertical acceleration is directed upward; as it falls from the peak of its trajectory, its vertical acceleration is directed downward. Group of answer choices
As a projectile rises towards the peak of its trajectory, the vertical acceleration is directed upward; as it falls from the peak of its trajectory, its vertical acceleration is directed downward. The correct answer is TRUE.
As a projectile is launched into the air, it initially experiences an upward acceleration due to the force applied to it. This acceleration causes the projectile to move upwards, until it reaches the peak of its trajectory. At the peak, the projectile's velocity in the vertical direction is zero and the acceleration is directed downward due to the force of gravity.
As the projectile falls back towards the ground, it experiences a downward acceleration, causing its velocity in the vertical direction to become negative. This acceleration continues until the projectile lands on the ground.
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Which of the following changes would decrease the coefficient of friction needed for this rice? a. increasing the rider's mass b. increasing the radius of the rice c. increasing the speed of the ride d. increasing the acceleration due to gravity (taking the ride to another planet)
The correct answer is b. Increasing the radius of the rice would decrease the coefficient of friction needed for the ride, as a larger surface area would increase the area of contact between the rider and the ride, thus reducing the force of friction.
What is gravity?Gravity is a natural phenomenon by which all objects with mass are brought towards each other. It is most commonly observed as the attraction between objects with mass, such as the Earth and the Moon. This force of attraction is known as the force of gravity. Gravity also affects light and other particles, such as protons and neutrons. Gravity holds us to the ground and helps keep the planets in their orbits. It is the reason why objects fall to the ground and why we can’t easily fly off into space. Gravity is one of the fundamental forces of nature and is essential to understanding the universe.
Increasing the speed of the ride would increase the coefficient of friction needed, as it would increase the force of friction. Increasing the acceleration due to gravity would have no effect on the coefficient of friction needed for the ride.
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State the law of conservation of linear momentum and describe its consequences.
The law of conservation of linear momentum states that the total momentum of a system is always conserved and the consequence is that the system must be isolated.
What is the law of conservation of linear momentum?The law of conservation of linear momentum states that in an Isolated system, the total momentum of the system is always conserved.
Mathematically, the formula for the conservation of linear momentum is given as;
m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂
where;
m₁ is the mass of the first objectm₂ is the mass of the second objectu₁ is the initial speed of the first objectu₂ is the initial speed of the second objectv₁ is the final speed of the first object v₂ is the final speed of the second objectBased on the law of the conservation of linear momentum, the sum of the initial momentum of the system will be equal to the sum of the final momentum of the system provided the system is isolated.
Thus, the consequences of conservation of linear momentum is that the total momentum of the system will not be conserved if the system is not isolated.
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Find the equivalent resistance between terminals a and b Express your answer to three significant figures and include the appropriate units.
The equivalent resistance between them is 9.6 ohm.
At constant temperature, Georg Ohm discovered that the electrical current flowing through a fixed linear resistance is directly proportional to the voltage applied across it, as well as inversely proportional to the resistance. Ohms Law is based on the relationship between voltage, current, and resistance.
We can use Ohms Law to find the third missing value if we know any two values of Voltage, Current, or Resistance. Ohms Law is widely used in electronic formulas and calculations, so "understanding and accurately remembering these formulas is critical."
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If a wave moves from a medium with a high wave velocity to one with a low wave velocity, which of the following CANNOT change: frequency, amplitude, wavelength, velocity, direction
When a wave move from a medium with high wave velocity to one with low wave velocity, the one that do not change is frequency.
When a wave moves from one medium to another, frequency is the only thing that remains constant, because it depends solely on the source, not the medium. Every other factors changes according to the medium.
When a wave moves from high velocity medium to low velocity medium, the velocity decreases. The direction changes, and is called refraction. From a lighter medium to denser medium, the wavelength, the waves slow down and wavelength decreases. On the boundary of the mediums, some absorptions may happen. So amplitude may decrease, or remains the same, if no external energy is provided.
So the factor that remains constant irrespective of the medium is the frequency.
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At what speed do a bicycle and its rider, with a combined mass of 100 kg , have the same momentum as a 1400 kg car traveling at 1.6 m/s
The speed at which a bicycle and its rider, with a combined mass of 100 kg, have the same momentum as a 1400 kg car traveling at 1.6 m/s is 50.4km/hr
The momentum of a bicycle and its rider, with a combined mass of 100 kg, is equal to the momentum of a 1400 kg car traveling at 1.6 m/s.
Momentum is calculated by multiplying the mass of an object by its velocity.
Therefore, the bicycle and rider would need to be traveling at a velocity of 14 m/s
1.6 m/s × 100 kg/1400 kg=14m/s
To have the same momentum as the car. In terms of speed, 14 m/s is equal to 50.4 km/h.
Therefore, the bicycle and rider would need to be traveling at 50.4 km/h to have the same momentum as the car.
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When a driver applies the brakes to keep a car going down hill at constant speed and constant kinetic energy, the potential energy of the car decreases. Where does this energy go? Where does most of it appear in a hybrid vehicle?
The potential energy is utilized during work done against frictional force.
What is law of conservation of energy?Energy cannot be created or destroyed, according to the law of conservation of energy. However, it is capable of change from one form to another. An isolated system's total energy is constant regardless of the types of energy present.
When a driver applies the brakes to keep a car going down hill at constant speed and constant kinetic energy, the potential energy of the car decreases. The potential energy is utilized during work done against frictional force and total energy remains constant.
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if a 20.0 n brick is placed on top of the wooden block, what force will be required to keep the block and brick moving at constant velocity?
If a 20.0 n brick is placed on top of the wooden block, the force that will be required to keep the block and brick moving at constant velocity is 21N.
Given a wooden block is placed on smooth table.
Force exerted on the block (Fn) = 14N
Weight of the block (W) = 40N
The block is moving at constant velocity.
Then sliding frictional force acts on the block which is = Ff = Force exerted on the block.
Let the coefficient of sliding friction = µ
We know that force exerted Ff = Fn
µ(W) = Fn then µ = Fn/W
µ = 14/40 = 0.35
(a) Hence the coefficient of sliding friction is 0.35
(b) Again 20 N weight is added to the existing block.
Then total weight on the block (W) = -40 -20 = -60N
It acts as normal force = Fn = 60N
To keep the block and brick moving at constant velocity Force needed = Ff = µFn
Ff = 0.35 x 60 = 21N
Hence the force that will be required = 21N
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complete question: A smooth wooden block is placed on a smooth wooden tabletop. You must exert a 14.0N force to keep the 40.0N block moving at constant velocity.
a. What is the coefficient of sliding friction?
b. If a 20.0N brick is placed on the block, what force will be required to keep the block and brick moving at constant velocity?
Suppose you have the equilateral triangle JKL where each side measures 5 feet with an altitude from K to JL. Which is the measure of the altitude?
The measure of the altitude of the equilateral triangle JKL is 4.33 feet
We have an equilateral triangle JKL that has a side of length 5 feet.
Now if we draw an altitude from K to J.
We can assume that the major the altitude is H.
We can assume the altitude to be perpendicular to the base.
The altitude should be by setting the base into two equal parts so we will have another triangle that will have a base of length 2.5 feet and hypotenuse of 5 feet.
Now we can simply with the Pythagoras theorem and order to find the attitude,
H² = (5)²-(2.5)²
H² = 25-6.25
H = 4.33 feet.
So, the altitude is of the magnitude 4.33 ft.
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a person is hanging motionless from a vertical rope over a swimming pool. she lets go of the rope drops straight down. after letting go, is it possible for her to curl into a ball and start spinning? justify your answer.
It is possible for the person to curl into a ball and start spinning after letting go of the rope. However, it would require some effort to initiate the spinning motion.
What do you mean by motion?An object changing its position with respect to time is referred to as motion. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, and speed.
As the person is falling, the only force acting on her body is gravity pulling her downward. Therefore, there is no horizontal force acting on her body to cause it to spin. However, if the person were to curl into a ball and then actively start spinning by twisting her body or flailing her arms, she could create a torque, which is a force that causes rotation.
It's worth noting that the spinning motion would not have a significant effect on the person's trajectory of falling into the swimming pool, as air resistance is negligible compared to her weight, and the spinning motion would be quickly dampened by the drag caused by the water resistance.
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when the pencil is a great distance from the screen, the shadow shows light and dark bands, clear signs of diffraction and interference. understanding this pattern requires us to use which model of light?
The wave model of light is used to understand the pattern when the pencil is at a great distance from the screen, the shadow shows light and dark bands, clear signs of diffraction and interference.
Huygens' Light Wave Model. According to Huygens' theory of light, light acts like a longitudinal wave. Huygens perceived the movement of a wave as the transmission of light. He said that by watching the movement of water surfaces, it is possible to better understand the nature of light.
Christiaan Huygens, an astronomer, devised a wave model of light.
Electrons move so quickly around a central nucleus that they resemble energy waves. The electron orbital clouds take on many forms as electrons jostle one another. According to scientists, there could be up to seven primary energy levels for the electrons surrounding the nucleus in an atom.
as airy as a wave One way to think of light is as an electromagnetic wave. According to this paradigm, a shifting magnetic field is produced by a shifting electric field.
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Problem 4.8 A particle's trajectory is described by x =(12t3−2t2)m and y =(12t2−2t)m, where t is in s.
Part A What is the particle's speed at t=0s ? v = m/s
Part B What is the particle's speed at t=5.0s ? Express your answer using two significant figures. v = m/s
Part C What is the particle's direction of motion, measured as an angle from the x-axis, at t=0 s ? Express your answer using two significant figures. θ =
Part D What is the particle's direction of motion, measured as an angle from the x-axis, at t=5.0s ? Express your answer using two significant figures. θ =
A. The particle's speed at t = 0 s is 2m/s.
B. The particle's speed at t=5.0s is 38.2 m/s.
C. The particle's direction of motion, measured as an angle from the x-axis, at t=0 s cannot be defined.
D. The particle's direction of motion at t = 5.0 s is 64.9 degrees.
What is velocity vector?A velocity vector represents the rate of change of the position of an object. The magnitude of a velocity vector gives the speed of an object while the vector direction gives its direction. Velocity vectors can be added or subtracted according to the principles of vector addition.
Part A: To find the particle's speed at t = 0 s, we need to find the magnitude of its velocity vector. The velocity vector is given by the derivative of the position vector with respect to time. So: v = [tex]\sqrt{( (dx/dt)² + (dy/dt)² )}[/tex]
dx/dt = 36t² - 4t, dy/dt = 24t - 2
Therefore, at t = 0 s: v = [tex]\sqrt{(360^2 - 40)^2 + (24*0 - 2)^2 )}[/tex] = [tex]\sqrt{4}[/tex] = 2 m/s
Part B: To find the particle's speed at t = 5.0 s, we substitute t = 5.0 s into the equation for v: v = [tex]\sqrt{(365.0^2 - 45.0)^2 + (24*5.0 - 2)^2 ) }[/tex]= [tex]\sqrt{(1444)}[/tex] ≈ 38.2 m/s.
Part C: To find the direction of motion, we need to find the angle the velocity vector makes with the positive x-axis. We can use the arctangent function to find this angle: θ = atan(dy/dt / dx/dt)
Therefore, at t = 0 s: θ = atan( (240 - 2) / (360² - 4×0) ) = atan(-2/0) = undefined
Part D: To find the particle's direction of motion at t = 5.0 s, we substitute t = 5.0 s into the equation for θ: θ = atan( (245.0 - 2) / (365.0² - 4×5.0) ) ≈ 64.9 degrees
Note: The answer is given in degrees, if you want it in radians you can use the conversion formula rad = (pi/180)degree.
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when connecting manifold gauges to a heat pump that is in heating mode the hoses should be connected to the?
The hoses should always be hooked to that same vacuum pump when installing manifold gauges on a heat engine that is operating in the heating mode.
What do people's gauges represent?When alluding to the jewellery itself, the phrase "gauge" is really just a made-up byword for "stretched earlobes." Gauges are sometimes referred to as jewellery by those who are unfamiliar with the technical jargon used in body modification. The width of piercings once they reach an inch is known as the gauge.
What does gauge mean?The French term "jauge," which means "result of measuring," is the ancestor of the noun "gauge" and is tied to it. Documents as from 13th century make reference to this word.
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we measured the orbital period of a planet orbiting a star exactly like our sun, to be 2 hours. where is such a star located? answer in units of au.
According to Kepler's Third Law, the cubes of the quasi axes of the orbits of planets are directly related to the squares of the planets' orbital periods. The Third Law of Kepler suggests that
What is a ratio?
proportionate definition (End of Entry 2) 1a: equal in size, extent, or intensity. B: Corresponding sides of identical triangles are proportionate if their ratios are the same or constant. A proportionate system of migration quota regulates or determines in size or extent with regard to proportions.
What is proportion's polar opposite?
Phrases equivalent to the word proportionate. Similar words for proportionate. Asymmetry, distortion, irregularity, lopsidedness, nonsymmetry,
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The spelling of occasion
Answer:
occasion - a particular event, or the time at which it takes place.
In an RLC series circuit, which of the following does the quality factor of the circuit depend on? (Select all that apply.)
- Width of the resonance
- L
- R
- C
L
R
C...
On the values of the inductance (L), resistance (R), and capacitance (C). The L, R, and C values determine the resonance frequency of the circuit.
What is the Quality Factor(Q) of an RLC Circuit?The quality factor (Q) of an RLC series circuit is a measure of how underdamped the circuit is. It is defined as the ratio of energy stored in the circuit to energy lost per cycle. In an RLC series circuit, the Q factor depends on the values of the inductance (L), resistance (R), and capacitance (C). The L, R, and C values determine the resonance frequency of the circuit, as well as the damping of the oscillations at that frequency.
The value of L determines the amount of energy stored in the circuit's magnetic field. A higher value of L results in a higher Q factor.
The value of R determines the amount of energy lost in the circuit due to resistance. A lower value of R results in a higher Q factor.
The value of C determines the amount of energy stored in the circuit's electric field. A higher value of C results in a higher Q factor.
The width of the resonance, which is the difference between the frequency at which the circuit is resonant and the frequency at which the circuit's impedance is half the resonant impedance is also dependent on the Q factor, as the Q factor is inversely proportional to the width of the resonance.
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you encounter a 8.2 m long stretched string that is clamped at both ends. you launch a pulse from one end that returns in 0.57 s. what is the frequency of the 3rd normal mode in hz?
The frequency of the 3rd normal mode is 8.4 Hz.
What is frequency?The frequency of an event is the number of times it occurs each unit of time. It is often measured in hertz (Hz), which is the number of cycles per second.
The frequency of a normal mode in a stretched string is given by the equation:
f_n = (n*v)/2L, where f_n is the frequency of the nth normal mode, v is the wave velocity, L is the length of the string, and n is the mode number.
In this case, the length of the string is 8.2 m, the time it takes for the pulse to return is 0.57 s, the mode number is 3 and we are looking for the frequency of the 3rd normal mode.
We can first calculate the wave velocity, v, by dividing the length of the string by the time it takes for the pulse to return.
v = L/T
v = 8.2 / 0.57
v = 14.4 m/s
Now we can use this value of v to calculate the frequency of the 3rd normal mode:
f_n = (n*v)/2L
f_n = (314.4)/(28.2)
f_n = 8.4 Hz
So, the frequency of the 3rd normal mode is 8.4 Hz.
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A small polyester ball and a piece of polyvinyl chloride (PVC) pipe are given the same negative charge. The ball is then placed over the PVC pipe, where it is observed to remain at rest 40 cm from the pipe. The mass of the polyester ball is 3.0 grams. Determine the charge on the ball.
The charge is ___uc
Also, solve with significant figures.
what is the apparent weight of a 76 kg passenger at the highest point of the circle? express your answer in si units.
The apparent weight of the passenger is 744.8 N.
What is weight of an object?The force of gravity acting on an object is known as its weight, and it can be calculated using the formula w = mg, which equals the mass times the acceleration of gravity. The newton is the SI unit for weight because it is a force.
How to find the weight of the passenger?The apparent weight of a 76 kg passenger at the highest point of a circle is the force experienced by the passenger due to gravity and the centrifugal force acting on them.
At the highest point of the circle, the passenger is experiencing the greatest force due to the centrifugal force acting on them. This force acts away from the center of the circle and is equal to the product of the mass of the object and the square of the angular velocity of the circle (w²r) where w is the angular velocity and r is the radius of the circle.
As the apparent weight is equal to the force due to gravity minus the centrifugal force, at the highest point of the circle, the apparent weight of a 76 kg passenger would be equal to their true weight (76 kg) minus the centrifugal force acting on them.
So, to express this in SI units, the apparent weight would be in Newtons (N) and the weight of the passenger is 76 kg * 9.8 m/s^2 = 744.8 N.
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g when a helium balloon rises it gains ke and gravitational pe. where does that energy come from?
Kinetic energy comes from the motion of the helium balloon, and gravitational potential energy comes from the relative position of the balloon with respect to the ground surface.
Kinetic energy is defined as the energy which an object possessed due to the virtue of its motion. It is equal to the product of mass of the object and square of the velocity.
On the other hand, gravitational potential energy is defined as the energy which is possessed by the object due to position or configuration related to the other objects. If an object of mass m, is situated at a height of h, then its gravitational potential energy will be, p = mgh.
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to start a car engine, the car battery moves 4.05e21 electrons through the starter motor. what is the absolute value of the amount of charged moved through the battery, in coulombs
The absolute value of this charge is 6.48e1 C.
What is electrons?Electrons are subatomic particles that carry a negative electrical charge. They are found outside the nucleus of an atom and are responsible for chemical reactions, electrical conductivity, and magnetism.
The charge of an object is measured in coulombs (C). An electron, the fundamental unit of charge in the electric current, has a charge of -1.6 x 10^-19 C.
To find the total charge moved through the battery in coulombs, we can multiply the number of electrons moved by the charge of one electron:
Q = n * e
where Q is the total charge, n is the number of electrons, and e is the charge of one electron.
In this case, the number of electrons moved through the starter motor is 4.05e21. Therefore:
Q = 4.05e21 electrons * -1.6 x 10^-19 C/electron
Q = -6.48e1 C
The absolute value of this charge is -6.48e1 = 6.48e1 C.
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This problem explores the behavior of charge on conductors. We take as an example a long conducting rod suspended by insulating strings. Assume that the rod is initially electrically neutral. For convenience we will refer to the left end of the rod as end A, and the right end of the rod as end B.
The charge of the same sign will repel as the ball with a negative charge moves toward the A end of the neutral bar, and when they do so, they move to the left end, leaving the rod with a positive charge.
What do you mean by charge?
Charge, also known as electric charge, electrical charge, or electrostatic charge and denoted by the symbol q, is a property of a unit of matter that indicates how many more or fewer electrons than protons it contains.
What does the term "charge" in chemistry mean?
Subatomic particles have a characteristic known as "electric charge" that makes them experience force while in an electric and magnetic field. Positive and negative charges are the two forms of electricity that are often carried by.
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What do you think are the factors that might affect the magnitude of this angle
The bond angle in a compound is the angle formed between two bonds in the compound. It is affected by the geometry, electron cloud and the size of atoms.
What is bond angle ?Bond angle is the distance between two chemical bonds in a compound. Bond angle is affected by the electrostatic force of repulsion and attraction. Hence, the presence of lone pairs and bond pair are the main factors affecting the bond angle.
If there are lone pairs, the repulsion between two lone pairs is greater than that between a lone pair and bond pair which in turn greater than that between two bond pairs.
Hence, the electron clouds will align themselves to minimize the repulsion. Thus, the geometry and bond angle may vary from what we predicted based on hybridization.
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Your question is incomplete. But your complete question probably was:
What is bond angle? What do you think are the factors that might affect the magnitude of this angle?