A skier is accelerating down a 300deg hill at 400 ms2 a, Ask an Expert

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A skier is accelerating down a 30.0° hill at 4.00 m/s² .

(a) What is the 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 305 m?

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