Moment of Inertia - Georgia State University
http://hyperphysics.phy-astr.gsu.edu/hbase/mi.html
Conservation of linear momentum dictates that when a mass strikes an equal mass at rest and sticks to it, the combination must move at half the velocity, because the product of mass and velocity must remain constant.. Using a string through a tube, a mass is moved in a horizontal circle with angular velocity ω. If the string is pulled down so that the radius is half the original …
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