Respostas

2013-09-02T19:18:12-03:00
H = 80 metros

g = 10 m/s²

Temos:

V² = Vo² + 2 * g * h

V² = 0² + 2*10*80

V² = 1600

V =  \sqrt{1600}

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V = 40m/s = 144km/h
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