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Posted by **Andrea** on Monday, December 19, 2011 at 10:21am.

- Physics -
**Henry**, Tuesday, December 20, 2011 at 8:40pmd = Vo*t + 0.5g*t^2 = 36 Ft.

0 + 16t^2 = 36,

t^2 = 24.42,

t = 4.94 s. = Time required for stone to hit ground.

d = V*t,

V = d / t 50/4.94 = 10.1 Ft/s.

- Physics -
**Henry**, Tuesday, December 20, 2011 at 8:48pmCorrection: t^2 = 36/16 = 2.25,

t = 1.5 s.

V = d / t = 50/1.5 = 33.33 Ft/s.

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