[单选题]
An object moves in a directj 3nase1 h1ep)jl-x+ sion parallel to its length wit*+ddf xc9xoa5h a velocity that approaches the velocity of light. The width of this objectafc+d* 59xxod , as measured by a stationary observer,
A. approaches infinity.
B. approaches zero.
C. increases slightly.
D. does not change.
Post time 2024-1-14 16:03:04