A stone is dropped into some water and a circle of radius r is formed and slowly expands. The perimeter of the circle is increasing at 3 m / s. At the moment the radius is exactly 2m, what rate is the radius of the circle increasing?
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Home » Mathematics » A stone is dropped into some water and a circle of radius r is formed and slowly expands. The perimeter of the circle is increasing at 3 m / s. At the moment the radius is exactly 2m, what rate is the radius of the circle increasing?