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A Proton,which Has a Mass of 1

Question 94

Multiple Choice

A proton,which has a mass of 1.67 × 10-27, is moving at 0.80c relative to the laboratory.What does a physicist in that lab measure for its momentum? (c = 3.0 × 108 m/s)


A) 4.0 × 10-19 kg ∙ m/s
B) 4.4 × 10-19 kg ∙ m/s
C) 5.0 × 10-19 kg ∙ m/s
D) 5.8 × 10-19 kg ∙ m/s
E) 6.7 × 10-19 kg ∙ m/s

Correct Answer:

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