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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 hockey puck and the metal ramp are μs = 0.40 and μk = 0.30, respectively. The puck's initial speed is 6.3 m/s. What speed does it have when it slides back down to its starting point?

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/m 2 (vad) n5co sin3e-6 cos30

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