Physics ?

Question

A stone is dropped from the top of a cliff. It hits the ground below after 3.80 s. How high is the cliff??

Answer 1

Thanks a lot ! ! ! You saved me from tough and really nasty calculations...

Answer 2

y = 1/2 g t^2 = 1/2 x 9.8 m/s^2 x (3.80 s)^2 = 70.8 m.