A 30-Kg Mass Is Placed at (4

question 27

Multiple Choice

A 3.0-kg mass is placed at (4.0,5.0) m,and a 6.0-kg mass is placed at (4.0,−5.0) m.What is the moment of inertia of this system of masses about the z axis?

• A) 369 kg·m²
• B) 36 kg·m²
• C) 225 kg·m²
• D) 144 kg·m²
• E) ​45 kg·m²

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