A Wheel Having a Moment of Inertia of 5

question 50

Multiple Choice

A wheel having a moment of inertia of 5.00 kg ∙ m² starts from rest and accelerates under a constant torque of 3.00 N ∙ m for 8.00 s.What is the wheel's rotational kinetic energy at the end of 8.00 s?

• A)57.6 J
• B)64.0 J
• C)78.8 J
• D)122 J

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