Three Solid, Uniform, Cylindrical Flywheels, Each of Mass 65

question 10

Multiple Choice

Three solid, uniform, cylindrical flywheels, each of mass 65.0 kg and radius 1.47 m rotate independently around a common axis. Two of the flywheels rotate in one direction at 3.83 rad/s; the other rotates in the opposite direction at 3.42 rad/s. Calculate the magnitude of the net angular momentum of the system.

• A) 298 kg∙m²/s
• B) 778 kg∙m²/s
• C) 257 kg∙m²/s
• D) 222 kg∙m²/s

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