posted by Lawrence .
A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is not true?<
(A) The passenger is in motion relative to the passer-by
(B) The passer-by is stationery relative to the passenger
(C) Both observers are in motion relative to each other
(D) The passer-by is in motion relative to the passenger
C. is not true.