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A Cosmonaut at an International Space Station is orbiting the Earth at an altitude of 580...

A Cosmonaut at an International Space Station is orbiting the Earth at an altitude of 580 km and with a constant speed of 8.5 km/sec. The Cosmonaut's mass is 89 kg.
a) What is his centripetal acceleration?
b) What is his centripetal force?
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Answer #1

R=580 km ,2 (8500 )2 580 x/o3 尺 : M 二(89)(124.5689) N l086 6379 n

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