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In: Physics

Starting at a height of 27.8m, a ball is thrown up at 3.15 m/s. It is...

Starting at a height of 27.8m, a ball is thrown up at 3.15 m/s. It is then in Free Fall until it hits the ground.

a. How long is the ball in the air?
b. What is the velocity of the ball as it hits the ground?

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