According to the principle of relativity, an observer who has no communication with the world outside of her laboratory will be unable to detect
A) her laboratory's acceleration.
B) her laboratory's velocity.
C) Both of the above.
D) gravity.
E) All of the above.

Question

Quizplus · Accepted Answer

According to the principle of relativity, an observer cannot detect constant velocity without external reference points, but acceleration can be detected due to inertial forces.

According to the Principle of Relativity, an Observer Who Has