3. The 5.0 kg, 60-cm-diameter disk in Figure P12.71 rotates on an axle passing through one edge. The axle is parallel to the floor. The disk is held with the centre of mass at the same height as the axle then released. a. What is the disk's initial angular accleration? b. What is the disk's angular velocity when it is directly below the axle? Axle 60 cm

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3. The 5.0 kg, 60-cm-diameter disk in Figure P12.71 rotates on an
axle passing through one edge. The axle is parallel to the floor. The
disk is held with the centre of mass at the same height as the axle
then released.
a. What is the disk's initial angular aceleration?
b. What is the disk's angular velocity when it is directly below the
axle?
Axle
60 cm
Transcribed Image Text:3. The 5.0 kg, 60-cm-diameter disk in Figure P12.71 rotates on an axle passing through one edge. The axle is parallel to the floor. The disk is held with the centre of mass at the same height as the axle then released. a. What is the disk's initial angular aceleration? b. What is the disk's angular velocity when it is directly below the axle? Axle 60 cm
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