5. A playground has a small merry-go-round with radius 1.00 m. It's moment of inertia is 135 kgm². A small child with mass 21.5 kg runs at a velocity of 2.75 m/s along a path tangent to the outer rim of the stationary merry-go-round and jumps on. Calculate (a) the magnitude of the angular momentum of the child about the axis of rotation of the merry-go-round, and (b) the angular speed of the combined merry-go-round plus child after the child jumped on. You may assume the child is a point mass.
5. A playground has a small merry-go-round with radius 1.00 m. It's moment of inertia is 135 kgm². A small child with mass 21.5 kg runs at a velocity of 2.75 m/s along a path tangent to the outer rim of the stationary merry-go-round and jumps on. Calculate (a) the magnitude of the angular momentum of the child about the axis of rotation of the merry-go-round, and (b) the angular speed of the combined merry-go-round plus child after the child jumped on. You may assume the child is a point mass.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 46P: A playground merry-go-round of radius R = 2.00 m has a moment of inertia I = 250 kg m2 and is...
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