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A ball is dropped from a rocket that is 350 m above the ground and rising...

A ball is dropped from a rocket that is 350 m above the ground and rising at 18 m/s. ( We choose the origin to be at ground level and neglect the air resistance.)

(a) What is the maximum height that the ball reached?

(b) What are the position and the velocity of the ball after being released for 4s?

(c) What is the total time the ball taken to hit the ground?

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