Answer :
Conservation of Energy
[tex]Eki + Epi = Ekf + Epf\\ \frac{1}{2} mv^2 + 0 = 0 + mgh\\ v= \sqrt{ 2gh} =\sqrt{ 2(9.8)(100)}\\ v=88.5 m/s[/tex]
[tex]Eki + Epi = Ekf + Epf\\ \frac{1}{2} mv^2 + 0 = 0 + mgh\\ v= \sqrt{ 2gh} =\sqrt{ 2(9.8)(100)}\\ v=88.5 m/s[/tex]
