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# Work n power

## Question

###### Work n power
A ski starts from rest and slides down a 22° incline 110 mlong. Use energy methods.

(a) If the coefficient of friction is 0.09, what is the ski'sspeed at the base of the incline?
m/s
(b) If the snow is level at the foot of the incline and has thesame coefficient of friction, how far will the ski travel along thelevel?
m

what equations do i use?

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