Categories > Motion in A Straight Line > Motion under Gravity > \[P,\,Q\] and \[R\] are three balloons ascending with velocities \[U,\,4U\] and \[8U\] respectively. If stones of the same mass be dropped from each, when they are at the same height, then

Motion in A Straight Line

Question: \[P,\,Q\] and \[R\] are three balloons ascending with velocities \[U,\,4U\] and \[8U\] respectively. If stones of the same mass be dropped from each, when they are at the same height, then


1) They reach the ground at the same time
2) Stone from \[P\] reaches the ground first
3) Stone from \[R\] reaches the ground first
4) Stone from \[Q\] reaches the ground first
Solution: Explanation: Explanation
Motion under Gravity

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