Two masses on rigid rods rotate about a central pivot point, as shown. Liz and Jeff each
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Two masses on rigid rods rotate about a central pivot point, as shown. Liz and Jeff each want to calculate the system's kinetic energy. Liz reasons that the system is a rotating system, and calculates its kinetic energy using the formula K=12I?2. Jeff, on the other hand, reasons that at any given instant, each of the masses has some specific linear velocity. He calculates the kinetic energy of the system with the sum K=12m1v21+12m2v22. How does Liz's value for the system's kinetic energy compare to Jeff's value?
Related Book For
Intermediate Accounting
ISBN: 978-0470161012
9th Canadian Edition, Volume 2
Authors: Donald E. Kieso, Jerry J. Weygandt, Terry D. Warfield.
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