MCQ
$P,\,Q$ 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
  • A
    They reach the ground at the same time
  • Stone from $P$ reaches the ground first
  • C
    Stone from $R$ reaches the ground first
  • D
    Stone from $Q$ reaches the ground first

Answer

Correct option: B.
Stone from $P$ reaches the ground first
b
(b)It has lesser initial upward velocity.

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