Question
A balloon, which always remains spherical on inflation, is being inflated by pumping in cubic centimetres of gas per second. Find the rate at which the radius of the balloon increases when the radius is .
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Text solutionVerified
The volume of a sphere with radius is given by,
Rate of change of volume with respect to time is given by,
Rate of change of volume with respect to time is given by,
It is given that .
Therefore, when radius cm,
cm/s
cm/s
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Question Text | A balloon, which always remains spherical on inflation, is being inflated by pumping in cubic centimetres of gas per second. Find the rate at which the radius of the balloon increases when the radius is . |
Answer Type | Text solution:1 |
Upvotes | 150 |