The chef at the infamous Fattening Tower of Pizza tosses a spinning disk of uncooked pizza dough into the air. The disk becomes wider during its flight, while its rotational speed
A)remains constant.
B)quickens.
C)slows.

Question

Quizplus · Accepted Answer

The rotational speed of the spinning disk of pizza dough slows down as it becomes wider due to the conservation of angular momentum. As the moment of inertia increases with the disk becoming wider, the rotational speed must decrease to conserve angular momentum.

The Chef at the Infamous Fattening Tower of Pizza Tosses