Problem 12.4 An 20-cm-long bicycle crank arm, with a pedal at one end, is attached to a 25-cm-diameter sprocket, the toothed disk around which the chain moves. A cyclist riding this bike increases her pedaling rate from 64 rpm to 95 rpm in 12 s Part A What is the tangential acceleration of the pedal? Express your answer to two significant figures and include the appropriate units. at = Value Units Submit Request Answer Part B What length of chain passes over the top of the sprocket during this interval? Express your answer to two significant figures and include the appropriate units. HẢ Value Units Submil Reguost Ancr

Problem 12.4 An 20-cm-long bicycle crank arm, with a pedal at one end, is attached to a 25-cm-diameter sprocket, the toothed disk around which the chain moves. A cyclist riding this bike increases her pedaling rate from 64 rpm to 95 rpm in 12 s Part A What is the tangential acceleration of the pedal? Express your answer to two significant figures and include the appropriate units. at = Value Units Submit Request Answer Part B What length of chain passes over the top of the sprocket during this interval? Express your answer to two significant figures and include the appropriate units. HẢ Value Units Submil Reguost Ancr

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 103A

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