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April 20, 2014

Homework Help: Physics

Posted by Mike on Sunday, November 11, 2012 at 11:37pm.

A 500 g block on a frictionless surface is attached to a rather limp spring of constant k = 8.7 N/m. A second block rests on the first, and the whole system executes simple harmonic motion with a period of 3.1 s. When the amplitude of the motion is increased to 60 cm, the upper block just begins to slip. What is the coefficient of static friction between the blocks?

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