SOLUTION: A raindrop falls into a puddle and causes a circular ripple to <a href="http://www.algebra.com/tutors/students/?page=spread">spread</a> out. The radius of the ripple grows at a st

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Question 62584: A raindrop falls into a puddle and causes a circular ripple to spread out. The radius of the ripple grows at a steady rate of 5 cm/s. what equation would model the ripple exactly 6 s. after the raindrop lands in the puddle?

Found 2 solutions by terbear1963, stanbon:
Answer by terbear1963(43)   (Show Source): You can put this solution on YOUR website!
Ripple = 5cm/second(time in seconds) I hope this helps you out!? I would also write it like this ---> R = 5cm/s(t) Your math friend, Terry cats7051@yahoo.com
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
The radius of the ripple grows at a steady rate of 5 cm/s. what equation would model the ripple exactly 6 s. after the raindrop lands in the puddle?
---------------
In 6 seconds the radius would be 30 cm
the ripple is the perimeter of a circle with a 30 cm radius
Circumference=2(pi)(30 cm)
Circumference = 30pi cm
Cheers,
Stan H.

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