Disk B is at rest when it is brought into contact with disk A, which has an initial angular velocity ω0. (a) Show that the final angular velocities of the disks are independent of the coefficient of friction µk between the disks as long as µk ≠ 0. (b) Express the final angular velocity of disk A in terms of ω0 and the ratio of the masses of the two disks, mA/mB.
Disk B is at rest when it is brought into contact with disk A, which has an initial angular velocity ω0. (a) Show that the final angular velocities of the disks are independent of the coefficient of friction µk between the disks as long as µk ≠ 0. (b) Express the final angular velocity of disk A in terms of ω0 and the ratio of the masses of the two disks, mA/mB.
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Disk B is at rest when it is brought into contact with disk A, which has an initial
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