A car accidently rolls off a cliff. As it leaves the cliff it has a horizontal velocity of 13 m/s, it has hits ground 60m from the shoreline. Calculate the heightof the cliff.

the "flight" time is ... 60 m / 13 m/s = ? s

h = 1/2 g t^2 = 4.9 * (60 / 13)^2 = ? m