1) Use polar coordinates to find the volume of the given solid. V = 2) Find the

Question

1) Use polar coordinates to find the volume of the given solid.

V =

2) Find the mass and center of mass of the lamina that occupies the region D and has the given density function ?.

3) Find the mass and center of mass of the lamina that occupies the region D and has the given density function ?.

4) A lamina occupies the part of the disk x2 + y2 ? 9 in the first quadrant. Find the center of mass of the lamina if the density at any point is proportional to the square of its distance from the origin.

Explanation / Answer

A1. Look at the links .. you need to change the value of 4 to 13.

http://www.math.ucla.edu/~ronmiech/Calculus_Problems/32B/chap13/section4/856d21/856_21.html

A2. http://www.math.ucla.edu/~ronmiech/Calculus_Problems/32B/chap13/section5/862d5/862_5.html

A3. http://answers.yahoo.com/question/index?qid=20121121181446AAI6pPl

A4. http://www.chegg.com/homework-help/questions-and-answers/lamina-occupies-part-disk-x2-y2-9-first-quadrant-find-center-mass-lamina-density-point-pro-q1164427

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