Chrome. MasteringPhysics: Ch 1 1 HW Secure l https://session.masteringphysics.co

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Chrome. MasteringPhysics: Ch 1 1 HW Secure l https://session.masteringphysics.com/myct/itemview?assignmentProblemID-87573040 Ch 11 HWProblem 11.15 Resources « previous | 3 of 3 return to assignment Problem 11.15 Part A A nonrotating cylindrical disk of moment of inertia I is dropped onto an identical disk rotating at angular speed w. Assuming no external torques, what is the final common angular speed of the two disks? Express your answer in terms of w Wfinal Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining The correct answer does not depend on: w. Provide Feedback Continue

Explanation / Answer

Applying angular momentum conservation,

(I w) + 0 = 2 I wf

wf = w / 2

wf = (0.5) w

Ans: 0.5

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