A cosmic-ray proton is moving at such a speed that it can travel from the Moon to

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A cosmic-ray proton is moving at such a speed that it can travel from the Moon to Earth in 1.5 s.

(a) At what fraction of the speed of light is the proton moving?

(b) What is its kinetic energy?

(d) What percent error is made in the kinetic energy by using the classical relation? (The Earth-Moon distance is 3.8 x 105 km. Ignore Earth’s rotation.)

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Modern Physics

ISBN: 9781429250788

6th Edition

Authors: Paul A. Tipler, Ralph Llewellyn

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Question Posted: Feb 02, 2023 01:46 AM

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A cosmic-ray proton is moving at such a speed that it can travel from the Moon to

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