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試卷名稱：113年 - 113 國立臺灣大學_碩士班招生考試：普通物理學#118903
年份：113年
科目：研究所、轉學考(插大)◆普通物理學
11. In a binary star system, Star A, which has triple the mass of Star B, orbits their common center of mass in circular patbs. Without external forces, what is the relationship between their orbital periods according to Newton's law of universal gravitation?
(A) Star A's period is 1/
of Star B's.
(B) Star A's period is the same as Star B's.
(C) Star A's period is times Star B's.
(D) Star A's period is twice Star B's.
(E) Star A's period is half of Star B's.
