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A spaceship approaches Earth with a speed 0.38c. A passenger in the spaceship measures his heartbeat ...

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7 years ago

A spaceship approaches Earth with a speed 0.38c. A passenger in the spaceship measures his heartbeat ...

A spaceship approaches Earth with a speed 0.38c. A passenger in the spaceship measures his heartbeat as 72 beats per minute. How many beats per minute are observed in the telemetry radio signals received on Earth? Note that, in addition to time dilation, one must take into account that the signals of successive heartbeats have to travel shorter distances because the spaceship is moving closer (Doppler Effect).
A) 75
B) 107
C) 48
D) 100
E) 67

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Physics

Edition: 4^th

Author: Walker

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tankster Author

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7 years ago

Good timing, thanks!

patyfeitosa

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Yesterday

this is exactly what I needed

jodie1

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2 hours ago

Smart ... Thanks!

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