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28.5 Exercise 10

Avg difficulty 2.5

(a) Calculate the speed of a 1.00-μg1.00- \mu \text{g} particle of dust that has the same momentum as a proton moving at 0.999c0 . \text{999} c. (b) What does the small speed tell us about the mass of a proton compared to even a tiny amount of macroscopic matter?

OpenStax College Physics 2e, 28.5 Relativistic Momentum, exercise 10

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.