patrickstar3091949 patrickstar3091949

16-10-2020
Chemistry

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A ball is launched horizontally from a wall of height 1.8 m with an unknown initial velocity. It lands 4.5 meters from the wall.

b) how long does it take, in seconds, for the ball to hit the ground?

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anonymous767 anonymous767

16-10-2020

..............$.....

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