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A solid disk ( 2 2 1 I mr ) is rolling along the floor. What is the ratio of its translational kinetic energy to its rotational kinetic energy?

A solid disk ( 2
2
1
I mr ) is rolling along the floor. What is the ratio of its
translational kinetic energy to its rotational kinetic energy?
A) 1.50
B) 2.00
C) 1.33
D) 0.67
E) none of the above

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