Question

The students made it to the bottom with out a problem but added 400 kg for a total of 455 kg and slides for 12.2 s across the surface of a frozen lake. If the coefficient of kinetic friction between the kid and the ice is 0.071, what is the change in the students momentum as they comes to a stop? How far does the students slide before the ice breaks and are swallowed by a whale?
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