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Physics, 27.05.2020 09:57 milkshakegrande101

A rock falls 30 m. Its KE before it strikes the ground is 4,392 J. What is the
mass of the rock?
A. 15 kg
B. 146 kg
C. 1.5 kg
D. 3.0 kg

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A rock falls 30 m. Its KE before it strikes the ground is 4,392 J. What is the
mass of the roc...

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