A balloon has mass of 10 ~g in air. The air escapes from the balloon at a uniform rate with velocity 4.5 ~cm / s. If the balloon shrinks in 5 ~s completely. Then, the average force acting on that balloon will be (in dyne).

Properties of Solids and Liquids: JEE Main 2022 Physics question

JEE Main 2022 · 28 Jul, Morning shift · Q7915

JEE Main 202228 Jul, Morning shiftPhysicsEasyProperties of Solids and Liquids184× since 2002

A balloon has mass of

10 \mathrm{~g}

in air. The air escapes from the balloon at a uniform rate with velocity

4.5 \mathrm{~cm} / \mathrm{s}

. If the balloon shrinks in

5 \mathrm{~s}

completely. Then, the average force acting on that balloon will be (in dyne).

JEE Main 2022 Properties of Solids and Liquids Question with Solution (28 Jul Morning shift, Q7915) | JEE Arc