(Answered) Just for fun you try to throw a ball to your roommate who

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Just for fun, you try to throw a ball to your roommate who is directly above you standing at the window. The ball thrown straight up is caught by your roomie 2.10s after you released it at a height of 10.1m above the point where you released it.

a. What was its initial speed?

b. What is its final speed just before the catch

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