)a stone is dropped from the top of a cliff. it is seen to hit the ground below after 3.55 s. how high is the cliff?

We use kinematic equation of motion,

Here, s is distance traveled, u is the initial velocity, t is time taken and g is acceleration due to gravity.

Given, .

We take,   because stone has no initial velocity.

Therefore,

Thus,  the height of cliff is approximately 61.75 m.