Physics, 03.07.2019 16:30 arthurdolz
A20 kg sled carrying a 40 kg boy is sliding at 12 m/s on smooth, level ice, when it encounters a rough patch of snow. a) what is the initial kinetic energy of the boy and the sled? b) if the rough ice exerts an average opposing force of 540 n, in what distance does the sled stop? c) what work is done by the rough ice stopping the sled? ( show work! )
Answers: 1
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A20 kg sled carrying a 40 kg boy is sliding at 12 m/s on smooth, level ice, when it encounters a rou...
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