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Physics, 31.03.2021 22:30 naruto63

M An astronaut on a planet with no atmosphere is conducting gravity experiments. He throws a large rock
upward with an initial speed of 2.0 and catches it after 4.0 s. The magnitude of the gravitational force
of the rock is 8.0 N.
S
What is the best estimate of the mass of the rock?

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