A Rotating Flywheel Can Be Used as a Method to Store

question 31

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 kg M²
• B) 25 kg M²
• C) 12.5 kg M²
• D) 6.3 kg M²