A Diatomic Molecule Consists of Two Point Masses, M₁ and M₂

question 7

Multiple Choice

A diatomic molecule consists of two point masses, m₁ and m₂, separated by a distance r. If x is the distance from m₁ to the center of mass, find the moment of inertia in terms of x about an axis perpendicular to the molecular axis through the center of mass.

• A) 0
• B) m₁m₂ r²/m₁ + m₂
• C) m₁(r − x)² + m₂x²
• D) m₁x² + m₂(r − x)²
• E) m₂x² + m₁r²

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