Question

a stone is dropped from height of 100 m calculate it's speed​

Answer 1

Answer:

It will help you.......

Answer 2

Explanation:

The stone is dropped from the cliff. So,

Initial Speed = u=0

Distance = s=100m

Final Speed = v

Acceleration = a = g = 9.8 m/sec2

now,

v2 = u2 + 2as

v2= 0+2×9.8×100

v=√(2×9.8×100)

v=44.7m/sec