A stone is dropped into a pond. Waves in the form of circles are generated and radius of outermost ripple increases at the rate of 5 cm/sec. then area increased after 2 sec is . . .

A stone is dropped into a pond. Waves in the form of circles are generated and the radius of the outermost ripple increases at the rate of 2 inches/sec. The rate at which the area is increasing after 5 seconds, is

A stone is dropped into a pond. Waves in the form of circles are generated and the radius of the outermost ripple increases at the rate of 2 inches/sec. If the radius is 5 inches, then the rate at which the area increasing, is

A stone is dropped into a pond, wave in the form of circles are generated and the radius of the outermost ripple increases at the rate of 2 inches/ sec. How fast is the area increasing when the radius is 5 inches

A stone is dropped into a pand. Waves in the form of circles are generated and the radius of the outermost ripple increases at the rate of 2 inch/sec. How fast will the area of the wave increase ? (a) when the radius is 5 inch? (b) after 5 seconds ?

A stone is dropped into a pond, wave in the form of circles are generated and the radius of the outermust ripple increases at the rate of 2 inches/ sec. How fast is the area increasing when after 5 seconds

A stone is dropped into a quiet lake and waves in the form of circles are generated, radius of the circular wave increases at the rate of 5cm/sec. At the instant when the radius of the circular wave is 8cm, how fast the area enclosed is increasing?

The radius of a circle is increasing at the rate of 0.5cm/sec. Find the rate of increase of its circumference.

The radius of a circle is increasing at the rate of 0.5cm/sec. Find the rate of increase of its circumference.