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.

Question

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.

Quizplus · Accepted Answer

The Answer of 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.

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