Viru drops a ball while standing on top of a building whose height is 19.6 m. Find the time taken by the ball to reach the ground. [Take g = 9.8m/s2]
Viru is standing on the top of the building of height 120 m and throws a ball vertically upwards with a speed of 10 m/s. Find the time taken by the ball to reach the ground. Take g = 10 ms−2.
Jay and Viru are standing on the top of the building of height 60 m. Jay throws ball A vertically upwards, and Viru throws ball B vertically downwards with same speed 5 m/s. Find the ratio of time taken by ball A and ball B to reach the ground.
A ball is dropped from the roof of a building. It takes 10seconds to reach the ground. Find the height of the building.(g=9.8m/s2