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April 20, 2014

Homework Help: Physics

Posted by James on Monday, June 11, 2012 at 7:14pm.

The density of a 5.0-m long rod can be described by the linear density function λ(x) = 140 g/m + 14.8x g/m2. One end of the rod is positioned at x = 0 and the other at x = 5 m.
(a) Determine the total mass of the rod.
(b) Determine the center-of-mass coordinate.

I found the total mass of the rod to be 885 g, how does one find the center of mass coordinate in the x-direction given this information?
Thank you in advance.

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