The roof of a two-story house makes an angle of 30 with
Chapter , Problem 89(choose chapter or problem)
The roof of a two-story house makes an angle of 30 with the horizontal. A ball rolling down the roof rolls off the edge at a speed of 5.0 m/s. The distance to the ground from that point is 7.0 m. (a) How long is the ball in the air? (b) How far from the base of the house does it land? (c) What is its speed and direction just before landing?
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