LA University of South Alaba × Y lsk Chapter 3 Nodal and Lo × Y lsk EE 220 Sul 7
ID: 1630852 • Letter: L
Question
LA University of South Alaba × Y lsk Chapter 3 Nodal and Lo × Y lsk EE 220 Sul 7 Syllabus pdf × : Basic Engineering Circuit Ax Open Assignment FULL SCREENPRINTER VERSIONBACK NEXT ASSIGNMENT RESOURCES W1 Chapter 11, Problem Chapter 11, Problem 079 Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 4.48 times the radius of A. What would be the ratio of the rotational inertias I/I if the two wheels had (a) the same angular momentum and (b) the same rotational kinetic energy? 202 028 037 016 Units (b) Number Units SHOW HIN LINK TO TEXT LINK TO SAMPLE PROBLEM Question Attempts: 0 of 6 used SAVE FOR LATER SUBMIT ANSWER Copyright 2000-2017 by John Wiley & Sons, Ine. or related companies. All rights reserved. Version 4.22.4.6Explanation / Answer
(A) angular momentum. L = I w
vA = vB
wA rA = wB rB
rB / rA = wA / wB = 4.48
IA wA = IB wB
IA / IB = wB / wA = 1/4.48 = 0.223 ........Ans
(b) I w^2 / 2 = KE
IA wA^2 = IB wB^2
IA / IB = (wB / wA)^2 = 0.05 ......Ans
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