A Rotating Flywheel Can Be Used as a Method to Store

question 35

Multiple Choice

A rotating flywheel can be used as a method to store energy.If it is required that such a device be able to store up to a maximum of 2.00 × 10⁶ J when rotating at 400 rad/s,what moment of inertia is required?

• A)50.0 kg m²
• B)25.0 kg m²
• C)12.5 kg m²
• D)6.30 kg m²

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