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precal question
Q) You are riding a bicyle along a level road. Assume each wheel is 28 inches in diameter, the rear spocket has radius 3 inches and the front sprocket has radius r inches. Suppose you are pedaling the front sprocket at the rate of 1.5 rev/sec and your forward speed is 11pmh on the bike. What is the radius of the front sprocket?
I'm been stuck on this question for awhile..any help?
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