According to Einstein’s first postulate about the special theory of relativity, which best explains why a person feels like he or she is sitting still on a train that is moving at a constant speed of 60 miles per hour?
Answer
A
The train is moving more slowly than the speed of light.
B
The reference frame of the person is inside the train.
C
The person is moving at the same speed as the train.
D
The motion of the train and of the person are not relative to each other.