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Properties of Matter question

2022 · 28 Jul · Shift 1 · Q50
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Properties of Matter question

2022 · 28 Jul · Shift 1 · Q50

JEE MainPhysicsProperties of MatterMCQ+4 / −1
A 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).
  1. A
    3
  2. B
    9
  3. C
    12
  4. D
    18
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