A Texas cockroach of mass 0.203 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has a radius 13.7 cm, rotational inertia 4.75 x 10-3 kg-m2, and frictionless bearings. The cockroach's speed (relative to the ground) is 2.43 m/s, and the lazy Susan turns clockwise with angular velocity wo = 3.34 rad/s. The cockroach finds a bread crumb on the rim and, of course, stops. (a) What s the angular speed of the lazy Susan after the cockroach stops? (b) Is mechanical energy conserved as it stops? (a) Number Units (ь)
A Texas cockroach of mass 0.203 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has a radius 13.7 cm, rotational inertia 4.75 x 10-3 kg-m2, and frictionless bearings. The cockroach's speed (relative to the ground) is 2.43 m/s, and the lazy Susan turns clockwise with angular velocity wo = 3.34 rad/s. The cockroach finds a bread crumb on the rim and, of course, stops. (a) What s the angular speed of the lazy Susan after the cockroach stops? (b) Is mechanical energy conserved as it stops? (a) Number Units (ь)
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 89AP: A solid cylinder of mass 2.0 kg and radius 20 cm is rotating counterclockwise around a vertical axis...
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