59. ssm Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.4 kg · m² and an angular velocity of +7.2 rad/s. Disk B is rotating with an angular velocity of -9.8 rad/s. The two disks are then linked together without the aid of any external torques, so that they rotate as a single unit with an angular velocity of –2.4 rad/s. The axis of rotation for this unit is the same as that for the separate disks. What is the moment of inertia of disk B?

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59. ssm Two disks are rotating about the same axis. Disk A has a moment
of inertia of 3.4 kg · m² and an angular velocity of +7.2 rad/s. Disk B is
rotating with an angular velocity of -9.8 rad/s. The two disks are then
linked together without the aid of any external torques, so that they rotate
as a single unit with an angular velocity of –2.4 rad/s. The axis of rotation
for this unit is the same as that for the separate disks. What is the moment
of inertia of disk B?
Transcribed Image Text:59. ssm Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.4 kg · m² and an angular velocity of +7.2 rad/s. Disk B is rotating with an angular velocity of -9.8 rad/s. The two disks are then linked together without the aid of any external torques, so that they rotate as a single unit with an angular velocity of –2.4 rad/s. The axis of rotation for this unit is the same as that for the separate disks. What is the moment of inertia of disk B?
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