An 18-cm-long bicycle crank arm, with a pedal at one end, is attached to a 22-cm-diameter sprocket, the toothed disk around which the chain moves. A Part A cyclist riding this bike increases her pedaling rate from 63 rpm to 90 rpm in 10 s. Assume constant angular acceleration. What is the tangential acceleration of the pedal? Express your answer to two significant figures and include the appropriate unit HA ? a = 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 unit HÁ ? l = Value Units

An 18-cm-long bicycle crank arm, with a pedal at one end, is attached to a 22-cm-diameter sprocket, the toothed disk around which the chain moves. A Part A cyclist riding this bike increases her pedaling rate from 63 rpm to 90 rpm in 10 s. Assume constant angular acceleration. What is the tangential acceleration of the pedal? Express your answer to two significant figures and include the appropriate unit HA ? a = 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 unit HÁ ? l = Value Units

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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