Physics

From the edge of the rooftop of a building, a boy throws a stone at an angle 24.0° above the horizontal. The stone hits the ground 4.40 s later, 104 m away from the base of the building. (Ignore air resistance.) Find the initial velocity of the stone. What's the magnitude and direction? Find the initial height h from which the stone was thrown. Find the maximum height H reached by the stone.

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