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Shuvam
Answers (1)
a(t) = -9.8 v(t) = -9.8t + c Initial Velocity = -8m/s. So, -8 = -9.8(0) + c -8 = c So, v(t) = -9.8t - 8 s(t) = -4.9t^2 - 8t + d Initial Position = 63m 63 = -4.9(0)^2 - 8(0) + d 63 = d So, s(t) = -4.9t^2 - 8t +63 0 = -4.9t^2 - 8t +63 t approximately equals
