Answers by visitors named: Hegde

We know that, W = KE + PE ----> * W = F x d KE = 1/2 m v^2 PE = mgh putting all this in *, (F)(d) = 1/2 m v^2 + mgh Rearranging, v = sqrt[2[(F)(d)-(m)(g)(h)]/m] Plugging in the values we get, v = sqrt[2[(21.2N)(2.42m)-(1.1kg)(9.8m/s^2)(2.42m)]/1.1kg] v = 6.77 m/s