Height of the body from the ground can be calculated by using the formula h=-ut+(1//2)g t^(2) in a) A body projected vertically with velocity 'u' from the top of tower, reaches the ground in 't' sec. b) A body dropped from a balloon moving up with uniform velocity, reaches the ground in 't' sec c) A body dropped from a helicopter moving up with uniform velocity, reaches the ground in 't' sec d) A body projected vertically from the ground reaches the ground in 't' sec.

Height of the body from the ground can be calculated by using the form

1.	Height of the body from the ground can be calculated by using the formula h=-ut+(1//2)g t^(2) in a) A body projected vertically with velocity 'u' from the top of tower, reaches the ground in 't' sec. b) A body dropped from a balloon moving up with uniform velocity, reaches the ground in 't' sec c) A body dropped from a helicopter moving up with uniform velocity, reaches the ground in 't' sec d) A body projected vertically from the ground reaches the ground in 't' sec.
Answer» a, b and C are CORRECT a, b, c and d are correct a is only correct b and d are correct Answer :A