A balloon rises with uniform velocity of 10ms^(-1). When the balloon is at a height of 75 m if a stone is dropped from it the time taken by it to reach the ground is

A balloon rises with uniform velocity of 10ms^(-1). When the balloon i

1.	A balloon rises with uniform velocity of 10ms^(-1). When the balloon is at a height of 75 m if a stone is dropped from it the time taken by it to reach the ground is
Answer» 3 sec 4 sec 5 sec 7 sec Answer :C