A balloon is rising vertically up with a velocity of 29 ms−1 . A stone is dropped from it and it reaches the ground in 10 s. The height of the balloon when the stone was dropped from it is (g = 9.8 ms−2 )

Question : A balloon is rising vertically up with a velocity of 29 ms−1 . A stone is dropped from it and it reaches the ground in 10 s. The height of the balloon when the stone was dropped from it is (g = 9.8 ms−2 )