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September 17, 2014

September 17, 2014

Posted by **donnie** on Wednesday, February 10, 2010 at 10:14pm.

vi= +18 m/s

h= 52m

* theres an arrow for g pointing down.

- physics -
**drwls**, Thursday, February 11, 2010 at 1:06amThe time to fall (t) can be computed using

(1/2) g t^2 = 52 m

The final speed can be calculated by realizing that the kinetic energy increases by M g H. That means that

V^2 increases by 2 g H.

Vfinal^2 = 18^2 + 2*9.8*52

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