MA2160: Quiz Oct 27th
Name:_______________________

({{      }})   1) 
a) Setup but do not evaluate an integral for the mass of the shape obtained by rotating the shape shown about the line y=-4m.  The mass density is given by  c/(d+(x^4))    kg/(m^3).
b) Setup but do not evaluate an expression for the x coordinate  of the center of mass from a.