The radius of a circle is increasing at ...

The radius of a circle is increasing at the rate of 0.7 cm/s. What is the rate of increase of its circumference?

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The correct Answer is:

`1.4 pi cm//s `

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NCERT BANGLISH-APPLICATION OF DERIVATIVES-EXERCISE 6.1

Find the rate of change of the area of a circle with respect to its ra...
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The volume of a cube is increasing at the rate of 8 cm^(3) /s. How fas...
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The radius of a circle is increasing uniformly at the rate of 3 cm/s. ...
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An edge of a variable cube is increasing at the rate of 3 cm/s. How fa...
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The radius of a circle is increasing at the rate of 0.7 cm/s. What is ...
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The radius of an air bubble is increasing at the rate of (1)/(2) cm/s....
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A balloon, which always remains spherical, has a variable diameter (3)...
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