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

• A. They reach the ground at the same time
• B. Stone from $P$ reaches the ground first
• C. Stone from $R$ reaches the ground first
• D. Stone from $Q$ reaches the ground first

Answer 1

Answer: (B)

Stone from $P$ reaches the ground first

Answer 2

It has lesser initial upward velocity.