A uniform solid disk with radius 11 cm has mass 0.5 kg (moment of inertia I = ½MR2). A constant force 12 N is applied as shown. At the instant shown, the angular velocity of the disk is 40 radians/s in the −z direction (where +x is to the right, +y is up, and +z is out of the page, toward you). The length of the string d is 14 cm. After the torque has been applied for 0.2 s, what are the magnitude and direction of the angular momentum about the center of the disk? At this later time, what are the magnitude and direction of the angular velocity of the disk?

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A uniform solid disk with radius 11 cm has mass 0.5 kg (moment of inertia I = ½MR2). A constant force 12 N is applied as shown. At the instant shown, the angular velocity of the disk is 40 radians/s in the −z direction (where +x is to the right, +y is up, and +z is out of the page, toward you). The length of the string d is 14 cm.

After the torque has been applied for 0.2 s, what are the magnitude and direction of the angular momentum about the center of the disk?

At this later time, what are the magnitude and direction of the angular velocity of the disk?

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