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July 2, 2015

Homework Help: physics

Posted by melissa on Saturday, January 26, 2008 at 7:39pm.

a student could either pull or push , at an angle of 30 deg from the horizontal, a 50-kg crate on a horizontal surface, where the coefficient of kinetic friction between the crate and the surface is .20 the crate is to be moved a horizontial distance of 15-m (a) compared to pushing pulling requires (1) less (2) the same or, (3) more work (b)calculate the minimum work required for both pulling and pushing

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