What is final kinetic energy of proton
A proton is initially at rest at a point where the potential is 454 V. Some time later the proton is at a point where the potential is 192 V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy?
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Some time later the proton is at a point where the potential is 192 V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy?
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A student (m = 56 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be
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