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A Uniform Solid Sphere of Mass M and Radius R

Question 68

Multiple Choice

A uniform solid sphere of mass M and radius R rotates with an angular speed ω. What must be the angular speed of a uniform solid cylinder of mass M, radius R, and height 2R that has the same rotational kinetic energy of the sphere?


A) 2ω/5
B) A uniform solid sphere of mass M and radius R rotates with an angular speed ω. What must be the angular speed of a uniform solid cylinder of mass M, radius R, and height 2R that has the same rotational kinetic energy of the sphere? A) 2ω/5 B) ω C) 4ω/5 D) 2ω/ E) ω/ ω
C) 4ω/5
D) 2ω/ A uniform solid sphere of mass M and radius R rotates with an angular speed ω. What must be the angular speed of a uniform solid cylinder of mass M, radius R, and height 2R that has the same rotational kinetic energy of the sphere? A) 2ω/5 B) ω C) 4ω/5 D) 2ω/ E) ω/
E) ω/ A uniform solid sphere of mass M and radius R rotates with an angular speed ω. What must be the angular speed of a uniform solid cylinder of mass M, radius R, and height 2R that has the same rotational kinetic energy of the sphere? A) 2ω/5 B) ω C) 4ω/5 D) 2ω/ E) ω/

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