(a) At what speed is the momentum of a particle twice as great as the result obtained from the nonrelativistic expression mv? Express your answer in terms of the speed of light. (b) A force is applied to a particle along its direction of motion. At what speed is the magnitude of force required to produce a given acceleration twice as great as the force required to produce the same acceleration when the particle is at rest? Express your answer in terms of the speed of light.
(a) At what speed is the momentum of a particle twice as great as the result obtained from the nonrelativistic expression mv? Express your answer in terms of the speed of light. (b) A force is applied to a particle along its direction of motion. At what speed is the magnitude of force required to produce a given acceleration twice as great as the force required to produce the same acceleration when the particle is at rest? Express your answer in terms of the speed of light.
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(a) At what speed is the momentum of a particle twice as great
as the result obtained from the nonrelativistic expression mv? Express
your answer in terms of the
particle along its direction of motion. At what speed is the magnitude of
force required to produce a given acceleration twice as great as the force
required to produce the same acceleration when the particle is at rest?
Express your answer in terms of the speed of light.
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