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Height of the body from the ground can b...

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.

A

a,b and c correct

B

a,b,c and d are correct

C

a is only correct

D

b and d are correct

Text Solution

Verified by Experts

The correct Answer is:
A
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