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July 24, 2014

Homework Help: Physics

Posted by Grace on Monday, February 22, 2010 at 10:26pm.

A 45 kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 29 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 if its mass is doubled?

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