試卷名稱:111年 - 111 國立臺灣大學_轉學生招生考試:普通物理學(A)#125314
年份:111年
科目:研究所、轉學考(插大)◆普通物理學
7. A sphere of mass m and another sphere of mass 2m are connected by a string of length R. Suppose they are now rotating about their center of mass at an angular velocity ω. Suddenly the string breaks. What is the velocity of the massive one (2m) after the string breaks?
(A) Rω
(B) Rω/2
(C) Rω/3
(D) 2Rω/3.