SOLUTION: Please help me solve this problem:
A pebble is dropped into a still pool, causing ripples in the form of concentric circles. The radius r of the outer circle is increasing at a
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Question 1006602: Please help me solve this problem:
A pebble is dropped into a still pool, causing ripples in the form of concentric circles. The radius r of the outer circle is increasing at a rate of 25cm/s. When the radius is 100cm, at what rate is the total area of the disturbed water increasing?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
A for area is a function of time t, and so it r for radius.
, and Chain Rule is used.
Description gives .
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