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Biology, 05.03.2020 03:03 joannachavez12345

A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his heartbeat as 70 beats per minute. What is his heartbeat rate according to an observer that is at rest relative to the earth

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A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his heart...

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