Center of a rod

A rod of length L = 72 m and mass M = 71 kg is placed along the x-axis with one end at the origin. The rod has linear mass density $\lambda =\frac{2M}{L^2} x$ , where $x$ is the distance from the origin. What is the x-coordinate of the rod’s center of mass?

Statics   Basic  

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Attempt 159

Solve 100

First Solve ms2monon