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Physics, 29.01.2021 05:40 mikayla62

Justin throws a 10.0-g ball straight down from a height of 2.0 m. The ball
strikes the floor at a speed of 7.5m/s.
What was the initial speed of the ball?

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Justin throws a 10.0-g ball straight down from a height of 2.0 m. The ball
strikes the floor...

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