A 200 g hockey puck is launched up a metal ramp that is inclined at a...

A 200 g hockey puck is launched up a metal ramp that is inclined at a 30° angle. The coefficients of static and kinetic friction between the puck and the ramp are μs = 0.40 and μk = 0.30, and the puck's initial velocity at the base is 3.8 m/s parallel to the sloping surface of the ramp. What speed does the puck have when it slides back down to its starting point?

I know that the answer is 2.1 m/s. If you could please show what equations you're using and a free body diagram if needed that would be fantastic, thank you.

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genius_generous answered 1 year ago

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