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Figure P10.14

(a) Calculate the speed of a link of the chain relative to the bicycle frame.

m/s

(b) Calculate the angular speed of the bicycle wheels.

rad/s

(c) Calculate the speed of the bicycle relative to the road.

m/s

(d) What pieces of data, if any, are not necessary for the calculations? (Select all that apply.)

diameter of wheels

none of these

diameter of front sprocket

length of pedal cranks

angular rate

diameter of rear sprocket

The figure is found at : http://www.webassign.net/pse/p10-14.gif

I tried solving part a using v=rw, but I'm not sure how to use the formula since there are two radii given.