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Hakeem throws a 11.5 g ball straight down from a height of 2.0 m. the ball strikes the floor at a speed of 7.8 m/s. what was the initial speed of the ball? assume that air resistance is negligible.
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Hakeem throws a 11.5 g ball straight down from a height of 2.0 m. the ball strikes the floor at a speed of 7.8 m/s. what was the initial speed of the ball? assume that air resistance is negligible.

User Demersus
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11.4 m/s G + H - m/s X 2
User MiraFayless
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