At what initial speed must the basketball player in Figure throw the ball, at angle 0 = 55o above the horizontal, to make the foul

At what initial speed must the basketball player in Figure throw the ball, at angle θ0 = 55o above the horizontal, to make the foul shot? The horizontal distances are θ0 = 1.0 ft and d2 = 14 ft, and the heights are h1 = 7.0 ft and h2 = 10ft.

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