A skier is accelerating down a 30 degree hill at 200 ms, Ask an Expert

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A skier is accelerating down a 30 degree hill at 2.00 m/s squared.

a) what is vertical component of her acceleration?

b) how long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 400 m (meters)?

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