Question

time taken by a stone dropped from a height of 19.6m to reach the ground (g=9m/s)​

Answer 1

Answer:

the time taken for the stone to reach the ground is 2 s

Answer 2

Answer:

Explanation:

Time taken = sqr rt ( 2 * H / g )

Given H = 19.6 m and g = 9 m/s^2

Then time = sqr rt ( 2 * 19.6 / 9 ) = 4.356 sec