A stone is dropped into a lake, creating a circular ripple that travels outward at a speed of 20 cm/s. Find the rate at

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answerhappygod
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A stone is dropped into a lake, creating a circular ripple that travels outward at a speed of 20 cm/s. Find the rate at

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A stone is dropped into a lake, creating a circular ripple thattravels outward at a speed of 20 cm/s. Find the rate at which thearea within the circle is increasing after each of the following.after a) 1s , b) 3s , c) 5s
What can you conclude?
a)= ? sq cm/sec , b)= ? sq cm/sec , c)= ? sq cm/sec
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