Abeetle with a mass of 15.0 g is initially at rest on the outer edge of a horizontal turntable that is also initially at rest. the turntable, which is free to rotate with no friction about an axis through its center, has a mass of 95.0 g and can be treated as a uniform disk. the beetle then starts to walk around the edge of the turntable, traveling at an angular velocity of 0.0700 rad/s clockwise with respect to the turntable.
(a) with respect to you, motionless as you watch the beetle and turntable, what is the angular velocity of the beetle? use a positive sign if the answer is clockwise, and a negative sign if the answer is counter-clockwise.
? rad/s
(b) what is the angular velocity of the turntable (with respect to you)? use a positive sign if the answer is clockwise, and a negative sign if the answer is counter-clockwise.
? rad/s
(c) if a mark is placed on the turntable at the beetle's starting point, how long does it take the beetle to reach the mark again?
Answers: 3
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