6. The radius of a circle is increasing ...

6. 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 GUJARATI-APPLICATION OF DERIVATIVES-EXERCISE 6.1

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The volume of a cube is increasing at the rate of 8 c m^3//s. How fast...
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The radius of a circle is increasing uniformly at the rate of 3 cm/...
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An edge of a variable cube is increasing at the rate of 3 cm//s. How f...
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6. The radius of a circle is increasing at the rate of 0.7 cm/s. What ...
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A particle moves along the curve 6y = x^(3)+2. Find the points on th...
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The radius of an air bubble is increasing at the rate of 1/2c m//s. A...
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The total revenue in Rupees received from the sale of x units of a pr...
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The rate of change of the area of a circle with respect to its radius ...
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The total revenue in Rupees received from the sale of x units of a pr...
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