The reason a life jacket helps you float is that
A)the jacket causes you to weigh less.
B)the jacket has the same density as an average human.
C)the jacket repels water.
D)if you sink, the jacket sinks.
E)the combined density of you and the jacket is less than your density alone.

Question

Quizplus · Accepted Answer

A life jacket is designed with buoyant materials that displace water and create more upward force, making the combined density of the person and the jacket less than the person's density alone. This makes the person float.

The Reason a Life Jacket Helps You Float Is That