A 400 Kg Hollow Sphere (I = 2/3 MR²) Is Spinning

question 53

Multiple Choice

A 4.00 kg hollow sphere (I = 2/3 MR²) is spinning with an angular velocity of 10.0 rad/s. The diameter of the sphere is 20.0 cm. The rotational kinetic energy of the spinning sphere is

• A) 1.75 J.
• B) 1.50 J.
• C) 1.33 J.
• D) 0.90 J.
• E) 0.75 J.

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Definitions:

Role-Playing

A method of learning or therapy involving acting out roles in particular situations, often used to improve skills or behaviors.

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