Student claims that a material particle must always move at a slower speed than light, and a massless particle must always move at the same speed as light. Is what she claims true? If this is the case, how can massless particles like photons and neutrinos get their speed? Isn't it possible to speed from a standstill? Explain.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Relativity
Section: Chapter Questions
Problem 8CQ: (a) “Newtonian mechanics correctly describes objects moving at ordinary speeds, and relativistic...
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Student claims that a material particle must always move at a slower speed than light, and a massless particle must always move at the same speed as light. Is what she claims true? If this is the case, how can massless particles like photons and neutrinos get their speed? Isn't it possible to speed from a standstill? Explain.

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