Find the x and y coordinates of the center of mass for the object of uniform linear mass density shown below. A 1L x1L section has been removed from the rectangle. x = 1.425L and y = 0.85L x = 1.65L and y = 0.75L x = 1.425L and y = 0.65L x = 1.65L and y = 0.85L x = 1.425L and y = 0.75L