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15. A merry go round (a disk I =MR², M=200 kg, R=2 m) rotates at 0.2 rad/s. A child with a mass of 60 kg is dropped onto the merry go round at a distance of 1.5 m from the axis of rotation How fast is the child moving after it comes to turn with the merry go round? a) 0.22 m/s b) 0.37 m/s c) 0.43 m/s d) 0.67 m/s e) 1.17 m/s

15. A merry go round (a disk I =MR², M=200 kg, R=2 m) rotates at 0.2 rad/s. A child with a mass of 60 kg is dropped onto the merry go round at a distance of 1.5 m from the axis of rotation How fast is the child moving after it comes to turn with the merry go round? a) 0.22 m/s b) 0.37 m/s c) 0.43 m/s d) 0.67 m/s e) 1.17 m/s

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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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I know the answer is 0.22 m/s. I just don't understand how to get it.

15. A merry go round (a disk I =MR?, M=200 kg, R=2 m) rotates at 0.2 rad/s. A child with a mass of 60 kg is dropped onto the merry go round at a distance of 1.5 m from the axis of rotation, How fast is the child moving after it comes to turn with the merry go c) 0.43 m/s 2 round? a) 0.22 m/s b) 0.37 m/s d) 0.67 m/s e) 1.17 m/s
Transcribed Image Text:15. A merry go round (a disk I =MR?, M=200 kg, R=2 m) rotates at 0.2 rad/s. A child with a mass of 60 kg is dropped onto the merry go round at a distance of 1.5 m from the axis of rotation, How fast is the child moving after it comes to turn with the merry go c) 0.43 m/s 2 round? a) 0.22 m/s b) 0.37 m/s d) 0.67 m/s e) 1.17 m/s
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