1. Tardigrade
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  3. Physics
  4. The radius of an air bubble is increasing at the rate of (1/2) cm / s. At what rate (. in .cm 3 / s ) is the volume of the bubble increasing when the radius is 1 cm ? (Take π=3.14 )

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Q. The radius of an air bubble is increasing at the rate of $\frac{1}{2}$ $cm / s$. At what rate $\left(\right.$ in $\left.cm ^{3} / s \right)$ is the volume of the bubble increasing when the radius is $1 \,cm$ ?
(Take $\pi=3.14$ )

Physical World, Units and Measurements

Solution:

Correct answer is '6.28'