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800 n student is standing in middle of frozen pond stranded 6.4 m from shore only thing he has is physics book which has mass of 3 kg so he throws it at 10 m/s toward one shore how long does it take him to reach opposite shore
10 years ago

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Steve
speed s is found by conserving momentum:
800s = 3*10
time = 6.4/s
10 years ago

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