YuliaTyson329 YuliaTyson329
  • 15-05-2023
  • Physics
contestada

An astronaut has a heartbeat rate of 85 beats per minute when measured on his spaceship, which is traveling at 0.49c with respect to Earth.
what would an observer on earth determine the astronaut's heart rate to be, in beats per minute? heartbeat rate = | bpm

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