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Item 7 An 19-cm-long bicycle crank arm, with a pedal at one end, is attached to a 21-cm-diameter sprocket, the toothed disk aPart B What length of chain passes over the top of the sprocket during this interval? Express your answer to two significant

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Answer #1

ra 19cm = 0.19m, B= 21cm: R= 10.5cm a 10.5x10m w; z 63 rpm = 6.60 rad is wf = 92 epm = 9.63 rads dt=12s (al - a = dw - W -wi

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