# A ball is projected upward at time t = 0.0 s, from a point on a roof 10 m above the ground. The ball rises, then falls until it strikes the ground. The initial velocity of the ball is 58.5 m/s. At time t = 5.97 s, what is the approximate velocity of the ball? Neglect air resistance. +175 m/s -175 m/s 12 m/s zero -12 m/s

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