A child of mass m stands at the center of a merry-go-round with moment of inertia lo and radius R that can rotate freely about a frictionless axle at its center. A group of her friends spins it up to an angular velocity wo counterclockwise while she stands at the center. The child then walks to the edge of the merry-go-round. (i) What is the angular velocity of the merry-go-round when she reaches the edge? (ii) If she then jumps off with speed vo at the angle 0, what is the final angular velocity of the merry-go-round? aw -pplication Î R (overhead view) VO

College Physics
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A child of mass m stands at the center of a merry-go-round with moment
of inertia Io and radius R that can rotate freely about a frictionless axle at its center.
A group of her friends spins it up to an angular velocity wo counterclockwise while she
stands at the center. The child then walks to the edge of the merry-go-round. (i) What
is the angular velocity of the merry-go-round when she reaches the edge? (ii) If she
then jumps off with speed vo at the angle 0, what is the final angular velocity of the
merry-go-round?
Law
Application
R
(overhead view)
0
VO
Transcribed Image Text:A child of mass m stands at the center of a merry-go-round with moment of inertia Io and radius R that can rotate freely about a frictionless axle at its center. A group of her friends spins it up to an angular velocity wo counterclockwise while she stands at the center. The child then walks to the edge of the merry-go-round. (i) What is the angular velocity of the merry-go-round when she reaches the edge? (ii) If she then jumps off with speed vo at the angle 0, what is the final angular velocity of the merry-go-round? Law Application R (overhead view) 0 VO
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