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試卷名稱：114年 - 114 國立清華大學_學士後醫學系_自然科學組﹕物理化學#126266
年份：114年
科目：學士後西醫物理及化學
32. A particle collides with an identical particle at rest relative to an inertial frame S. These two (noninteracting) particles has speed 0.6c moving toward each other along the x direction in their center-of-momentum frame (namely, in the inertial frame in which the total momentum of the system vanishes), denoted by S'. What is the speed of frame S'relative to frame S?
(A) 1.2c
(B)
(C)
(D) 0.6c
(E) (2 - √3)c
