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August 1, 2014

Homework Help: Physics

Posted by Lindsay on Wednesday, December 12, 2007 at 11:13pm.

This is the info for the problem: A block of mass M1 = 160.0 kg sits on an inclined plane and is connected to a bucket with a massless string over a massless and frictionless pulley. The coefficient of static friction between the block and the plane is ms = 0.52, and the angle between the plane and the horizontal is q = 47. Mass M2 can be changed by adding or taking away sand from the bucket.

It has 3 different parts. The first two I was able to solve. Part 3 asks: Suppose the coefficient of kinetic friction between the block and the inclined plane is muk = 0.36. If M2 = 217.1 kg, what is the magnitude of the acceleration of M1?

Can someone please explain how to do this?

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