SOLUTION: The windshield wiper of a car is 18 inches long. If it takes 1 second to trace out 1/3 revolution, how fast is the tip of the wiper moving?

Question 966306: The windshield wiper of a car is 18 inches long. If it takes 1 second to trace out 1/3 revolution, how fast is the tip of the wiper moving?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The windshield wiper of a car is 18 inches long.
If it takes 1 second to trace out 1/3 revolution, how fast is the tip of the wiper moving?
:
Find the cicumference, like the 18" windshielf wiper made a complete revoluton

C = 113.1 inchec
Find 1/3 of a revolution
= 37.7", the distance moved by the wiper in 1 sec
there
37.7 in/sec is the speed of the tip of the wiper
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