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

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Question

Physics

A 200 g hockey puck is launched up a metal ramp that is inclinedat a 30° angle. The coefficients
of static and kinetic friction between the hockey puck and themetal ramp are #5 = 0.40 and pk =

0.30, respectively. The puck's initial speed is 14.9 m/s. Whatspeed does it have when it slides back
down to its starting point?

Answer & Explanation Solved by verified expert
4.3 Ratings (839 Votes)
Step 1 find the max vertical height achieved by puck in upwardmotionUsing force balance along the inclineFnet Wsin Fkma mgsin mgcos a gsin gcos a 981sin 30 deg 030981cos 30 dega 7454    See Answer
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