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A stone is dropped into a quiet lake an...

A stone is dropped into a quiet lake and waves move in circle at the speed
of 5 cm/s. At the instant when the radius of the circular wave is 8 cm, how
fast is the enclosed area increasing.

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A N EXCEL PUBLICATION-APPLICATION OF DERIVATIVES-QUESTION BANK
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  2. The edge of a variable cube is increasing at the rate of 3 cm/s. How f...

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  3. A stone is dropped into a quiet lake and waves move in circle at the ...

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  4. The radius of a circle is increasing at the rate of 0.7 cm/s. What is ...

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