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April 20, 2014

Homework Help: physics

Posted by kim on Monday, October 8, 2012 at 1:07pm.

A mass m1 = 10 kg on top of a rough horizontal table surface is connected by a massless cable over a frictionless wheel to a hanging mass m2 = 5 kg, as shown in the previous problem. In m2 falls 1 m from rest in 1.2 seconds, find the co-efficient of kinetic friction between m1 and the table surface.

also,

A mass m1 = 10kg resting on a rough horizontal table surface is connected by a massless cable over a frictionless wheel to a hanging mass m2= 5 kg,. What is the minimum co-efficent of static friction which will allow the masses to remain at rest?

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