Question

A hockey puck on a frozen pond is given an initial speed of 20.0 m/s. If the puck always
remains on the ice and slides 115 m before coming to rest, determine the coefficient of
kinetic friction between the puck and ice. (Answer: = 0.177 k
μ )
Work done against friction = Initial kinetic energy

M*g*ì*X = (M/2) Vo^2

ì = Vo^2/(2 g X)

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