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2014-08-24T20:10:32-03:00
H = Ho + Vot - gt²/2
500 = 0 + Vo*20 - 10*400/2
500 = 20Vo - 2000
2500 = 20Vo
2500/20 = Vo

Vo = 125m/s
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2014-08-24T22:53:44-03:00
H = Ho + Vot - gt²/2
500 = 0 + Vo*20 - 10*400/2
500 = 20Vo - 2000
2500 = 20Vo
2500/20 = Vo

Vo = 125m/s

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