Mathematics, 17.04.2020 03:51 khohenfeld0

A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21ft/s. The ball's height h (in feet) after t seconds is given by the following. h=5+21t-16t^2
Find all values of t for which the ball's height is 11 feet.

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A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21ft/s. The bal...

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