Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A piece of stone is allowed to fall from a balloon floating in air. It goes down past a tower 30 m in height in the last quarter of the last second of its flight.Find the height of the stone at the instant when it was dropped and its velocity as it reaches the ground. (g=9.8ms−2)

A piece of stone is allowed to fall from a balloon floating in air. It goes down past a tower 30 m in height in the last quarter of the last second of its flight.Find the height of the stone at the instant when it was dropped and its velocity as it reaches the ground. (g=9.8ms−2)

the driver of the second car accelerates and he overtakes the first car in 5 seconds.What is the acceleration produced by the accelerator ? Two cars are moving in the same direction with the same speed with separation 40 m.In order to overtake