Respostas

  • Usuário do Brainly
2014-07-17T22:27:23-03:00
a)
S = So + Vo * t + gt²/2
360 = 0 + 0 * t + 10 * t² / 2
360 = 5t²
t² = 360/5
t² = 72
t =  \sqrt{72}
t ≈ 8,48 s

b)
V² = Vo² + 2 * a * d
V² = 0² + 2 * 10 * 360
V² = 7200
V =  \sqrt{7200}
V ≈ 84,85 m/s
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