[单选题]
Two spaceships are traveling through space at 0.60 c rel2kryp6 sr 00esative to the- r/krijv-o-6 q5 kvos Earth. If the ships are headed directly toward each other, what is their approach velocity, as m vroqkr-i-6svjk-o 5/easured by a person on either craft?
A. $1.2 \; c$
B. $c$
C. $0.60 \; c$
D. none of the given answers
Post time 2024-1-14 16:03:04