Question

A ball is thrown straight upward with a speed v from a point h meter above the ground. The time taken for the ball to strike the ground is-​

Answer 1

Answer:

Explanation: option 1

Answer 2

Projectile motion is a form of motion experienced by an object or particle that is projected near the Earth's surface and moves along a curved path under the action of gravity only. This curved path was shown by Galileo to be a parabola

Explanation :

Where v = final velocity

           g = acceleration due to gravity

            t = time

             h = height attained by body