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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. |
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Answer» a, B and C are correct |
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