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A ball is thrown up onto a roof, landing 3.10 s later at height h =...

A ball is thrown up onto a roof, landing 3.10 s later at height h = 18.0 m above the release level. The ball's path just before landing is angled at θ = 63.0˚ with the roof. (a) Find the horizontal distance d it travels. (Hint: One way is to reverse the motion, as if it is on a video.) What are the (b) magnitude and (c) angle (relative to the horizontal) of the ball's initial velocity?

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