If p(x, y) is the density of a wire (mass per unit length), then m = f c p(x, y) ds is
Chapter 9, Problem 40(choose chapter or problem)
If p(x, y) is the density of a wire (mass per unit length), then m = f c p(x, y) ds is the mass of the wire .Find the mass of a wirehavingtheshapeofthesernicirclex = 1 +cos t,y = sint, 0 :5t :5 7T, if the density at a point P is directly proportional to distance from the y-axis.
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