Question 3 B 10 cm C 10 cm A X The three objects shown in the figure above have masses given by . A: 130. g . B: 180. g . C: 320. g. They are connected by massless, rigid rods. What are the coordinates of the centre of mass? O (3.33 cm, 3.33 cm) (3.20 cm, 1.80 cm) (0 cm, 0 cm) O (5.08 cm, 2.86 cm)Question 4 The three objects shown in the gure above have masses given by - A: 230. g - B: 290g - (3:130. g. The}.r are connected by massless, rigid rods. Find the moment of inertia about an axis that passes through mass 3 and is perpendicular to the page. -:121:- 0.0360 kg m2 C:- 00540 kg m2 {21- 0.00550 kg m2 :2221- 0.00360 kg m2