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7. A ball is thrown vertically downward from the edge of a bridge 25.0 m high with an initial speed of 18.0 m/s. The ball falls all the way down and strikes the water below. Determine the time it takes the ball to strike the water x4.75 s

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Answer #1

Then

v^2-u^2=2as

Then u=18 m/s

s=25.0 m

op&hale

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