At Any Angular Speed,a Certain Uniform Solid Sphere of Diameter

question 12

Multiple Choice

At any angular speed,a certain uniform solid sphere of diameter D has half as much rotational kinetic energy as a certain uniform thin-walled hollow sphere of the same diameter when both are spinning about an axis through their centers.If the mass of the solid sphere is M,the mass of the hollow sphere is

• A) 3/5 M.
• B) 5/3 M.
• C) 5/6 M.
• D) 6/5 M.
• E) 2 M.

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