Question 11. (3.9) are the coordinates of the Centre of Mass for the lamina bounded by the paxta yaxis and the lines y 6 - 22 and 2 The lamina also has mass per unit area 2 (a) Find M the mans of the lamina (b) Find the coordinate of the Centre of Miss (a) Enter M correct to the nearest whole number (b) Enter z. correct to the decimal places