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What speed must a particle attain before its kinetic energy is double the value predicted by the nonrelativistic expression KE = 1/2mv²?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter28: Special Relativity

Section: Chapter Questions

Problem 53PE: (a) Calculate the relativistic kinetic energy of a 1000-kg car moving at 30.0 m/s if the speed of...

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Concept explainers

Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

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What speed must a particle attain before its kinetic energy is double the value predicted by the nonrelativistic expression KE = 1/2mv²?
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