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How quickly will the disc and student spin (in given units)?

How quickly will the disc and student spin (in given units)?

Physics for Scientists and Engineers, Technology Update (No access codes included)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotation Of A Rigid Object About A Fixed Axis
Section: Chapter Questions
Problem 10.3OQ: A wheel is rotating about a fixed axis with constant angular acceleration 3 rad/s2. At different...
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A 55kg student is running with a speed of 3.7m/s when she leaps onto a disc- shaped play ground toy at the position shown. The 105kg disc is free to around it's fixed center and has a radius of 1.3m. The moment of inertia of a point (like the student) is | = mr?. The moment of inertia of any disc is I = 1/2mr2. top view: 1m Determine all of the following moments of inertia, angular speeds and angular momenta relative to the center of the disc. side view: kg m2 rad/s kg m2/s v student (running) 0.325 disc (rest) 0.325 combined 0.325 How quickly will the disc and student spin (in given units)? 190 rpm
Transcribed Image Text:A 55kg student is running with a speed of 3.7m/s when she leaps onto a disc- shaped play ground toy at the position shown. The 105kg disc is free to around it's fixed center and has a radius of 1.3m. The moment of inertia of a point (like the student) is | = mr?. The moment of inertia of any disc is I = 1/2mr2. top view: 1m Determine all of the following moments of inertia, angular speeds and angular momenta relative to the center of the disc. side view: kg m2 rad/s kg m2/s v student (running) 0.325 disc (rest) 0.325 combined 0.325 How quickly will the disc and student spin (in given units)? 190 rpm
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