Question

An ice skater, hasa rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. Her rotational inertia then undergoes a change to 2 kg m2. Which of the following is true?
a. Her angular momentum remains the same
b. Her angular velocity increases
c. Her kinetic energy increases
d. all of above


I say B am i right?
bobpursley
You are right, however, the question lacks depth. Is this an online course?

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