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April 24, 2014

Homework Help: trigonometry

Posted by monic on Thursday, November 29, 2012 at 12:11am.

The sprockets and chain of a bicycle are shown in the figure. The pedal sprocket has a radius of 4 in., the wheel sprocket a radius of 2 in., and the wheel a radius of 13 in. The cyclist pedals at 45 rpm.

(a) Find the angular speed of the wheel sprocket.
rad/min

(b) Find the speed of the bicycle. (Assume that the wheel turns at the same rate as the wheel sprocket. Round your answer to one decimal place.)
mi/h

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