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You throw a ball straight up, and it reaches a height of 22 m above your hand before falling back down. What was the speed of

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Answer #1

h = 22m

From conservation of energy , K.E = U

=) 1/2 mv^2 = mgh

=) v = √2gh = √(2×9.8×22) = 20.76m/s

=) V = 20.76m/s

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