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Posted by on Sunday, November 29, 2009 at 9:27pm.

what is the coefficient of kinetic friction between a 2kg brick and concrete if it takes 9.0N of force to move it at a constant rate?

  • physics - , Sunday, November 29, 2009 at 9:33pm

    Well, I answered one of them. I already know how. Now you try.

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