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A Particle in a 799=m-Long Linear Particle Accelerator Is Moving $0.875 c$

Question 19

Multiple Choice

A particle in a 799=m-long linear particle accelerator is moving at $0.875 c$ How long does the particle accelerator appear to the particle?

A) 387 m
B) 1039 m
C) 184 m
D) 1651 m

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