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August 29, 2015

Homework Help: Physics

Posted by Anonymous on Sunday, January 23, 2011 at 2:30pm.

A 19 kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 23.2 degrees the crate begins to slide downward. what is the coefficient of static friction between the crate and the ramp? At what angle does the crate begin to slide it its mass is doubled? I just need to know how to approach this problem because i'm lost.

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