Multiple Choice
An astronaut at rest has a heart rate of 68 beats/min.What will her heart rate be as measured by an Earth observer when the astronaut's spaceship goes by the Earth at a speed of 0.76c?
A) 105 beats/min
B) 52 beats/min
C) 33 beats/min
D) 139 beats/min
E) 44 beats/min
Correct Answer:
Verified
Correct Answer:
Verified
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