Question: At time t = 0, a ball is struck at ground level and sent over level ground. Figure gives momentum p versus t during the

At time t = 0, a ball is struck at ground level and sent over level ground. Figure gives momentum p versus t during the flight (p0 = 6.0 kg ∙ m/s and p1 = 4.0 kg ∙ m/s). At what initial angle is the ball launched?

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