If you were to travel at a speed close to the speed of light, you would notice which of the following?
A) Your mass has increased.
B) Your iPod plays music more slowly-everyone sounds like a baritone!
C) Your pulse rate has decreased.
D) You would notice all of the above effects.
E) You would notice none of the above effects because you are in an inertial frame.

Question

Quizplus · Accepted Answer

According to the theory of relativity, if you were traveling at a speed close to the speed of light, you would not notice any changes in your mass, the speed of music from your iPod, or your pulse rate from your own frame of reference. These effects are related to how an external observer would perceive you, not how you perceive yourself. In your own inertial frame, physics operates normally.

If You Were to Travel at a Speed Close to the Speed