Multiple Choice
A radioactive atom is traveling through the laboratory at a speed of 0.2c when it undergoes beta decay.The emitted electron moves in the same direction as the atom and has a speed of 0.9c relative to the atom.The speed of the electron,as seen by an observer in the laboratory,is
A) 1.10c
B) 1.07c
C) c
D) 0.93c
E) 0.70c
Correct Answer:

Verified
Correct Answer:
Verified
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