Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the

Moon. Assume the orbit to be circular and 100 km above the surface of the Moon, where the

acceleration due to gravity is 1.52 m/s

2

. The radius of the Moon is 1.70 × 10

6

m. Determine (a)

the astronaut's orbital speed, and (b) the

period of the orbit.

Moon. Assume the orbit to be circular and 100 km above the surface of the Moon, where the

acceleration due to gravity is 1.52 m/s

2

. The radius of the Moon is 1.70 × 10

6

m. Determine (a)

the astronaut's orbital speed, and (b) the

period of the orbit.

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