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During the Apollo missions, astronauts traveled from the Earth to the Moon and back. When they...

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Physics

  1. During the Apollo missions, astronauts traveled from the Earthto the Moon and back. When they were close to Earth, gravityaccelerated them toward Earth, but when they were close to theMoon, gravity accelerated them toward the Moon. However, there is apoint somewhere between the Earth and the Moon where theyexperienced no acceleration due to gravity.

    The Earth is 6.0×1024 kg, the Moon is 7.3×1022 kg in mass, andthe two are 3.8×108 m apart. How far from Earth were the astronautswhen they experienced zero acceleration due to gravity? Hint:remember that zero acceleration requires zero net force.

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4.1 Ratings (546 Votes)
Let m be the mass of the astronauts The gravitational force ofan object of mass M on the astronauts when they are    See Answer
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