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a skier is acceleration down a 30.0 degree hiss at 3.50 m/s^2. how long (in seconds) will it take her to reach the bottom of th...Asked by bob
a skier is acceleration down a 30.0 degree hill at 3.50 m/s^2. how long (in seconds) will it take her to reach the bottom of the hill. assuming she starts from rest and accelerates uniformly, if the elevation change is 120m?
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Answered by
Steve
the distance down slope is 120/sin30 = 240m
So, just solve
1.75t^2 = 240
So, just solve
1.75t^2 = 240