Help with Center of Mass (Calc II problem)

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SUMMARY

The discussion focuses on finding the centroid of a region in the first quadrant bounded by the lines y=x, y=3x, and x=n, where n is a positive constant. The main challenge identified is determining the area of the region, as the lines do not intersect a third time, leading to an infinite area. The boundaries are confirmed as x=0 and x=n, which are essential for setting up the integral to calculate the centroid accurately.

PREREQUISITES
  • Understanding of calculus, specifically integration techniques.
  • Familiarity with the concept of centroids and center of mass.
  • Knowledge of linear equations and their graphical representations.
  • Ability to set up and evaluate definite integrals.
NEXT STEPS
  • Study the method for calculating centroids of regions defined by linear boundaries.
  • Learn how to set up integrals for areas that extend to infinity.
  • Explore the use of limits in integration to handle infinite areas.
  • Review examples of centroids in calculus textbooks or online resources.
USEFUL FOR

Students in Calculus II, educators teaching integration techniques, and anyone seeking to understand the application of centroids in geometric contexts.

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Homework Statement


Find the centroid (center of mass) of the region in the first quadrant bounded by y=x, y=3x, x=n (>0)


Homework Equations





The Attempt at a Solution



No idea how to start the question, since I have to get the area of the region but
the graph does not intersect the second time. So it would be an area to inifinity.
 
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There are three lines.
 
The x boundaries of the region are x=0 and x=n, aren't they? There's a third curve x=n. Both lines hit it. You can make a better start than that.
 

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