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A cylinder of inertia 1.46 kgmm rotates about a vertical frictionless axle with angular velocity 34 radians/second. A second cylinder of inertia 2.

A cylinder of inertia 1.46 kgmm rotates about a vertical frictionless axle with angular velocity 34 radians/second. A second cylinder of inertia 2.4 kgmm is initially not rotating and it drops onto the first cylinder. The two surfaces are rough and they eventually come to the same angular velocity. Calculate the magnitude of the loss of kinetic energy (in J).

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The magnitude of the... View the full answer

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Initial angular momentum = I1 w1 = 49.64 Final moment of inertia = I1 + I2... View the full answer

3 comments
  • would the loss of kinetic engird be 524.7J?
    • OliveOil321
    • Apr 03, 2018 at 3:42pm
  • energy*
    • OliveOil321
    • Apr 03, 2018 at 3:42pm
  • YES. That is correct. Well done.
    • adpatil1403
    • Apr 03, 2018 at 3:49pm

The magnitude of the... View the full answer

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