A foul ball is hit straight up into the air with a speed of 30 m/s,and air effects are negligible.
(a)Calculate the time required for the ball to rise to its maximum height.
(b)Calculate the maximum height reached by the ball above the point where it hit the bat.
(c)Determine the times at which the ball passes a point 25 m above the point where it was hit by the bat.
(d)Explain why there are two answers to part (c).

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The Answer of A foul ball is hit straight up into the air with a speed of 30 m/s,and air effects are negligible.
(a)Calculate the time required for the ball to rise to its maximum height.
(b)Calculate the maximum height reached by the ball above the point where it hit the bat.
(c)Determine the times at which the ball passes a point 25 m above the point where it was hit by the bat.
(d)Explain why there are two answers to part (c).

A Foul Ball Is Hit Straight Up into the Air