2. A 14 kg rock starting from rest free falls through a distance of 5.0 m...

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Answer 1

Answer #1

speed gained by rock, v= Vzgh > vz Vzx 9.8*5 = 9.9 m/s . : momentum charge of Rock, S oprock = mxr= 14 kg x 9.9 m/s - = 138.6

Answer 2

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