A Triatomic Molecule Is Oriented as Follows Along the X-Axis

Multiple Choice

A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the origin,atom 2 of mass 2m is at x = a,and,atom 3 of mass 3m is at x = 2a.What is the moment of inertia of this molecule about the y-axis?

A) 2ma²
B) 3ma²
C) 12ma²
D) 14ma²