Two Hoops or Rings (I = MR²)are Centered,lying on a Turntable.The

question 51

Multiple Choice

Two hoops or rings (I = MR²) are centered,lying on a turntable.The smaller ring has radius = 0.050 m;the larger has radius = 0.10 m.Both have a mass of 6.0 kg.What is the total moment of inertia as the turntable spins? Ignore the mass of the turntable.

• A) 0.030 kg·m²
• B) 0.0075 kg·m²
• C) 0.038 kg·m²
• D) 0.075 kg·m²

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