Asked by Faye
A stone is dropped into the sea, causing circular waves whose radii increases at a constant rate of 1.5 per minute. At what rate is the circumference of the wave is changing?
Thank you!
Thank you!
Answers
Answered by
bobpursley
Circumderence=2PI*r
d(Circum)/dt=2PI*dr/dt
d(Circum)/dt=2PI*dr/dt
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