PhysicsEasy148×since 2002Q7915A balloon has mass of 10 g10 \mathrm{~g}10 g in air. The air escapes from the balloon at a uniform rate with velocity 4.5 cm/s4.5 \mathrm{~cm} / \mathrm{s}4.5 cm/s. If the balloon shrinks in 5 s5 \mathrm{~s}5 s completely. Then, the average force acting on that balloon will be (in dyne).A3B9C12D18Check answerSkip