A ball is thrown straight up with a speed of 30 m/s,and you can neglect the presence of air.
(a)How long does it take the ball to reach the maximum height?
(b)What is the maximum height reached by the ball?
(c)What is its speed after 4.2 s?

Question

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The Answer of A ball is thrown straight up with a speed of 30 m/s,and you can neglect the presence of air.
(a)How long does it take the ball to reach the maximum height?
(b)What is the maximum height reached by the ball?
(c)What is its speed after 4.2 s?

A Ball Is Thrown Straight Up with a Speed of 30