Relative to a stationary observer, a moving object
A)appears shorter than normal.
B)appears longer than normal.
C)keeps its same length.
D)can do any of the above. It depends on the relative velocity between the observer and the object.
E)can do any of the above. It depends on the relative energy between the observer and the object.

Question

Quizplus · Accepted Answer

According to the theory of relativity, a moving object appears shorter along the direction of motion to a stationary observer, a phenomenon known as length contraction.

Relative to a Stationary Observer, a Moving Object