FIGURE 11-2 -A Figure Skater Is Spinning Slowly with Arms Outstretched. She

question 68

Multiple Choice

FIGURE 11-2
-A figure skater is spinning slowly with arms outstretched. She brings her arms in close to her body and her moment of inertia decreases by 1/2. By what factor does her rotational kinetic energy change?

• A) 2
• B) 4
• D) 1/2
• E) It doesn't change.

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