Posted by **Emily** on Thursday, March 10, 2011 at 12:54pm.

The density of a 4.41-m long rod can be described by the linear density function λ(x) = 111 g/m + 12.3x g/m2. One end of the rod is positioned at x = 0 and the other at x = 4.41 m.

found total mass of rod to be:

609 grams

need help finding :

the center-of-mass coordinate.

Thank You so much!!

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