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 0.76 c?
A) 105 beats/min
B) 52 beats/min
C) 33 beats/min
D) 139 beats/min
E) 44 beats/min

Question

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 0.76 c?
A) 105 beats/min
B) 52 beats/min
C) 33 beats/min
D) 139 beats/min
E) ​44 beats/min

Quizplus · Accepted Answer

The Answer of 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 0.76 c?
A) 105 beats/min
B) 52 beats/min
C) 33 beats/min
D) 139 beats/min
E) ​44 beats/min

An Astronaut at Rest Has a Heart Rate of 68