A stone is dropped from the top of a cliff. It is seen to hit the ground below after 4.2 s. How high is the cliff ?

A stone is dropped from the top of a cliff. It is seen to hit the grou

1.	A stone is dropped from the top of a cliff. It is seen to hit the ground below after 4.2 s. How high is the cliff ?
Answer» 86.44 m 860 m 160 m 180 Answer :A