What will this rate be as measured by an observer in ship

Reference no: EM13673057

An astronaut at rest on Earth has a heartbeat rate of 74 beats/min. When the astronaut is traveling in a spaceship at 0.80 c, what will this rate be as measured by the following:

(a) an observer also in the ship

beats/min

(b) an observer at rest on Earth

beats/min

Reference no: EM13673057

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