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April 19, 2014

Homework Help: physics

Posted by Anonymous on Tuesday, November 17, 2009 at 12:46am.

A small block on a frictionless horizontal surface has a mass of 2.5010−2 . It is attached to a massless cord passing through a hole in the surface. (See the figure below .) The block is originally revolving at a distance of 0.300 from the hole with an angular speed of 1.75 . The cord is then pulled from below, shortening the radius of the circle in which the block revolves to 0.150 . You may treat the block as a particle.

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