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A box sits on a ramp with a coefficient of kinetic friction=.30 and coefficient of static...

A box sits on a ramp with a coefficient of kinetic friction=.30 and coefficient of static friction= .50. The ramp has an angle of 42 degrees and the box is initially moving at 5.80 m/s.

A. Find how high the block gets

B. Find time to reach the top and return to the initial point if it does.

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