Rotational Kinetic Energy: While Spinning Down from 500

question 27

Multiple Choice

Rotational kinetic energy: While spinning down from 500.0 rpm to rest, a solid uniform flywheel does of work. If the radius of the disk is what is its mass?

• A) 5.2 kg
• B) 4.4 kg
• C) 6.0 kg
• D) 6.8 kg

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