The Rotational Inertia of a Disk About Its Axis Is

question 4

Multiple Choice

The rotational inertia of a disk about its axis is 0.70 kg.m².When a 2.0 kg weight is added to its rim, 0.40 m from the axis, the rotational inertia becomes:

• A)0.32 kg.m²
• B)0.54 kg.m²
• C)0.70 kg.m²
• D)0.86 kg.m²
• E)1.0 kg.m²

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