An observer also in the ship and observer at rest on earth

Reference no: EM13659566

An astronaut at rest on Earth has a heartbeat rate of 75 beats/min. When the astronaut is traveling in a spaceship at 0.89c, what will this rate be as measured by the following:

a) an observer also in the ship

b) an observer at rest on Earth

Reference no: EM13659566

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