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Oscillating on a line **
Two positive point charges Q are located at points (±R, 0). A par- ticle with positive charge q and mass m is initially located midway between them and is then given a tiny kick. If it is constrained to move along the line joining the two charges Q, show that it under- goes simple harmonic motion (for small oscillations), and find the frequency.
Why is it important to find new sources of energy?
Four small charged bodies of equal charges Q=-1nC are placed at four vertices of a rectangle with sides a=4cm and b=2cm. Determine the direction and magnitude of the electric force
what is the electric force between the proton and electron inside of a hydrogen atom? What must the speed of the electron be? Radius=0.47 x 10^-9.
question a proton is fired at 7e6 ms directly towards a stationary 2e-6 c point charge that cannot move and is
Determine the kinetic energy that the earth has because of its rotation about its own axis
A spring is hung from the ceiling. When a coffee mug isattached to its end, it stretches 2.0 cm before reaching itsnew equilibrium length. The block is then pulled down slightly and released.
A block of mass m = 2.0 kg attached to a spring with spring constant k on a frictionless surface. The block is pushed to the left to position x = -0.5 m and, at time t = 0, it is released from rest and starts oscillating with a period of 2.0 s.
What is the velocity of the cars after the impact and what is the loss in kinetic energy?
A point charge Q is located at the center of a very thin, spherical metal shell. what is the electric potential of the shell
A subatomic particle has an unknown lifetime τ. The particle is created at t = 0 and travels around the Earth’s equator at speed 0.982 c. If the particle decays at the moment it completes one single trip around the Earth, what is τ?
A certain airplane has a speed of 250.0 km/h and is diving at an angle of 30.0° below the horizontal when the pilot releases a radar decoy. The horizontal distance between the release point and the point where the decoy strikes the ground is 700 m..
As you bounce a tennis ball of mass 5.30 10-2 kg off a wall, its velocity changes from vx = 10.5 m/s to vx = -7.4 m/s. Find the impulse applied to the ball
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