sean-ross_60c288c522193
sean-ross_60c288c522193
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s = -5 + 4t³ + 2t - 6t² a) v(t) = ds/dt = 12t² - 12t+ 2 b) a(t) = dv/dt = 24t - 12 c) v(2) = 12.2² - 12.2 + 2 = 26 m/s a(2) = 24.2 - 12 = 36 m/s² (!!!) ---->3,6g (!!!) d) v(t) = 0 12t² - 12t + 2 = 0 Resolvendo…