We Can Best Understand How a Diver Is Able to Control

Multiple Choice

We can best understand how a diver is able to control his rate of rotation while in the air (and thus enter the water in a vertical position) by observing that while in the air

A) his kinetic energy is constant.
B) his total energy is constant.
C) his linear momentum is constant.
D) his potential energy is constant.
E) his angular momentum is constant.