Question: A ball is thrown at 39 below the horizontal from a rooftop of height 65m. It lands 2.5s later. Find: a) its initial speed: b)

A ball is thrown at 39 below the horizontal from a rooftop of height 65m. It lands 2.5s later. Find: a) its initial speed: b) the point of impact with the ground: c) the angle at which it hits the ground:

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