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An astronaut, whose mission is to go where no one
has gone before, lands on a spherical planet in a
distant galaxy. As she stands on the surface of the
planet, she releases a small rock from rest and
Part A
finds that it takes the rock 0.600 s to fall 1.90 m.
If the radius of the planet is 8.60 × 10' m, what is the mass of the planet?
Express your answer with the appropriate units.
HÅ
mp =
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