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[" Indapte "3" A stone is dropped into a...

[" Indapte "3" A stone is dropped into a quiet lake and waves move in circles at a speed "],[" of "4cm" per second.At the instant,when the radius of the circular wave is "10cm" ,how "],[" fast is the enclosed area increasing? "]

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A stone is dropped into a quiet lake and waves move in circle at a speed of 4 cm per second, At the instant, when the radius of the circular wave is 10 cm, how fast is the enclosed area increasing?

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A stone is dropped into a quiet lake and waves in circles at a speed of 4 cm per second. At the instant, when the radius of the circular wave is 10 cm, how fast is the enclosed area increasing?

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A stone is dropped into a quiet lake and waves move in circles at a speed of 4cm/sec. At the instant when the radius of the circula wave is 10cm, how fast is the enclosed area increaseing?

A stone is dropped into a quiet lake and waves moves in circles at a speed of 4 cm/sec. At the instant when the radius of the circular wave is 10 cm, how fast is the enclosed area increasing?

A stone is dropped into a quiet lake and waves move in circles at a speed of 3.5 cm per second. At the instant when te radius of the circular wave is 10 cm, the rate of increase of the area enclosed is

A stone is dropped into a quiet lake and waves move in a circle at a speed of 3.5 cm/sec. At the instant when the radius of the circular wave is 7.5 cm, how fast is the enclosed area increasing

A stone is dropped into a quiet lake and waves move in circles 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?