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試卷名稱：114年 - 114 國立中興大學_學士後醫學系招生考試_學士後醫學系：物理#126484
年份：114年
科目：學士後西醫-物理
10.In the figure, blocks B and C have masses 2m and m, respectively, and are at rest on a frictionless surface. Block A, also of mass m, is heading at speed v toward block B. Assume all collisions are elastic. After all subsequent collisions are over, which of the following final velocity is necessarily true?
(A)
(B)
(C)
(D)
(E)
