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October 20, 2014

October 20, 2014

Posted by **Alexis** on Wednesday, November 7, 2012 at 4:26pm.

this question is troubling me i guessed 96 ft/s

can someone help me out and explain it thanks so much!!!!!!

- physics URGENT! HELP -
**Elena**, Wednesday, November 7, 2012 at 5:03pmv₀ =21.82 mi/h, H= 1.60 x 102 ft.

Upward motion

h=v₀²/2g

Downward motion

H+h=v²/2g.

v=sqrt{2g(H+h)}

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