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A swimmer bounces straight up from a diving board and falls feet first into a pool....

A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is 1.90 m above the pool. (a) How long are her feet in the air? (b) What is her highest point above the board? (c)What is her velocity when her feet hit the water?

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