A balloon gong upward with a velocity of 12 ms−1is at a height of 65 m from the earth’s surface at any instant. Exactly at this instant a ball drops from it. How much time will the ball take in reaching the surface of earth? (g = 10 ms−2)

A balloon gong upward with a velocity of 12 ms−1is at a height of 65 m from the earth’s surface at any instant. Exactly at this instant a ball drops from it. How much time will the ball take in reaching the surface of earth? (g = 10 ms−2)

Question : A balloon gong upward with a velocity of 12 ms−1is at a height of 65 m from the earth’s surface at any instant. Exactly at this instant a ball drops from it. How much time will the ball take in reaching the surface of earth? (g = 10 ms−2)