A Hoop Rolls with Constant Velocity and Without Sliding Along

question 48

Multiple Choice

A hoop rolls with constant velocity and without sliding along level ground.Its rotational kinetic energy is:

• A)half its translational kinetic energy
• B)the same as its translational kinetic energy
• C)twice its translational kinetic energy
• D)four times its translational kinetic energy
• E)one-third its translational kinetic energy

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