An astronaut has a heart rate of 65 beatsmin as measured
An astronaut has a heart rate of 65 beats/min as measured with monitor on the spaceship. What will the heart rate be as measured with an earth observer when the astronaut’s spaceship goes by the earth at a speed of 0.60 c?
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an astronaut has a heart rate of 65 beatsmin as measured with monitor on the spaceship what will the heart rate be as
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