Find the mass and center of mass of the lamina that occupies the
region D and has the given density function ρ.
D is bounded by y = 1 − x2 and y = 0; ρ(x, y) =
5ky
m=
(x bar ,y bar)=
FIND THE CENTROID:
a. of the region enclosed between the curves y=x1/2 ,
y=1, y=2 and the y-axis.
b. of the 1st quadrant area bounded by the curve
y=4-x2
c. of the region bounded by the curve y=x3 and
x=y2