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 ?s = 0.40 and ?k = 0.30, respectively
The puck's initial speed is 63 m/s. What vertical height does the puck reach above its starting point?
A) 130 m
B) 270 m
C) 200 m
D) 66 m
Answer: A
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