Many people mistakenly believe that the astronauts
Chapter 4, Problem 47(choose chapter or problem)
Many people mistakenly believe that the astronauts whoorbit Earth are above gravity. Earths mass is 6 * 1024 kg,and its radius is 6.38 * 106 m (6380 km). Use theinverse-square law to show that in space-shuttle territory,200 km above Earths surface, the force of gravity on ashuttle is about 94% that at Earths surface.
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