Question

A hockey puck leaves a player's stick with a speed of 8.60 and slides 38.0 before coming to rest. Find the coefficient of friction between the puck and the ice.

Answers

drwls
(1/2) M Vo^2 = (Friction force)*X
= M*g*mu*X

mu is the coefficient of kinetic friction.

mu = (1/2)Vo^2/(g X)

You need to say what the units of initial velocity (Vo) and distance (X) are. Just putting down numbers is not enough.
Andrea
with the speed of 8.60m/s and slides 38m
Andrea
thanks i got the answer :)

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