physics

A soccer ball was kicked off a cliff that was h = 8.4 m above the ground. The ball was kicked at a speed of 25 m s-1 and an angle of 20 to the horizon.

What is magnitude of the horizontal displacement of the ball? Use g = 9.8 m s-2.

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asked by help
  1. R=ucos20 (usin20+squareroot u^2sin^2 20+2gu)/g

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    posted by Yesuf
  2. answer is 57.45 the above equation is wrong

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    posted by help

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