A proton has a speed of 0.9c. An impluse is applied that increases this speed. C

Question

A proton has a speed of 0.9c. An impluse is applied that increases this speed. Choose the one true statement: a) Because it is so small, the uncertainty principle ensures that a proton traveling faster than the speed of light cannot be observed. b) The momentum principle does not apply to particles moving near the speed of light . c) Conservation of momentum does not aply to protons with speeds near the speed of light. d) There is a finite upper limit to the proton's new speed, which is contained in the definition of momentum. e) There is a finite upper limit to the proton's new momentum becasue nothing can travel faster than the speed of light.

Explanation / Answer

e) There is a finite upper limit to the proton's new momentum becasue nothing can travel faster than the speed of light.

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