An Object Is Made Up of Three Masses Connected by Massless

Multiple Choice

An object is made up of three masses connected by massless rods of fixed length. Mass A is located at (30.0 cm, 0 cm) and has a mass of 250 grams, mass B is located at (0 cm, 30.0 cm) and has a mass of 350 grams, mass C is located at (-30.0 cm, 0 cm) and has a mass of 450 grams. What is the moment of inertia of this object about an axis perpendicular to the x-y plane and passing through the origin?

A) 0.0945 kg m²
B) 0.315 kg m²
C) 0.185 kg m²
D) 0.0135 kg m²
E) 0.0450 kg m²