• The Moon's mass is 7.4 X 1022 kg and its radius is 1700 km. What is the speed of a spacecraft moving in a circular orbit just above the lunar surface? What is the escape speed from the Moon?

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• The Moon's mass is 7.4 X 1022 kg and its radius is 1700 km.
What is the speed of a spacecraft moving in a circular orbit
just above the lunar surface? What is the escape speed from
the Moon?
Transcribed Image Text:• The Moon's mass is 7.4 X 1022 kg and its radius is 1700 km. What is the speed of a spacecraft moving in a circular orbit just above the lunar surface? What is the escape speed from the Moon?
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