1. Tardigrade
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  4. A balloon has 2 g of air. A small hole is pierced into it. The air comes out with a velocity of 4 m / s. If the balloon shrinks completely in 2.5 s. The average force acting on the balloon is

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Q. A balloon has $2\, g$ of air. A small hole is pierced into it. The air comes out with a velocity of $4\, m / s$. If the balloon shrinks completely in $2.5\, s$. The average force acting on the balloon is

Laws of Motion

Solution:

$F =\frac{v d m}{d t}$
$=4\left(\frac{2}{1000 \times 2.5}\right)$
$=0.0032\, N$