Change in angular momentum. In the figure below, a Texas cockroach with mass m = 0.0490 kg (they are large) rides on a uniform disk of mass M = 14.5m and radius R = 0.0820 m. The disk rotates like a merry-go-round around its central axis. Initially, the cockroach is at radius r = R and the angular speed of the disk is w; = 0.670 rad/s. Treat the cockroach as a particle. The cockroach crawls inward to r = 0.340R. What is the change in angular momentum of (a) the cockroach-disk system, (b) the cockroach, and (c) the disk? Rotation axis
Change in angular momentum. In the figure below, a Texas cockroach with mass m = 0.0490 kg (they are large) rides on a uniform disk of mass M = 14.5m and radius R = 0.0820 m. The disk rotates like a merry-go-round around its central axis. Initially, the cockroach is at radius r = R and the angular speed of the disk is w; = 0.670 rad/s. Treat the cockroach as a particle. The cockroach crawls inward to r = 0.340R. What is the change in angular momentum of (a) the cockroach-disk system, (b) the cockroach, and (c) the disk? Rotation axis
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Transcribed Image Text:Change in angular momentum. In the figure below, a Texas cockroach with mass m = 0.0490 kg (they are large) rides on a uniform disk of
mass M = 14.5m and radius R = 0.0820 m. The disk rotates like a merry-go-round around its central axis. Initially, the cockroach is at
radius r = R and the angular speed of the disk is w; = 0.670 rad/s. Treat the cockroach as a particle. The cockroach crawls inward to r=
0.340R. What is the change in angular momentum of (a) the cockroach-disk system, (b) the cockroach, and (c) the disk?
Qa;
(a) Number
(b) Number
(c) Number i
!
Units
Units
Units
Rotation axis
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