試卷名稱:112年 - [無官方正解]112 國立中山大學_碩士班暨碩士在職專班招生考試試題_物理系:普通物理#137732
年份:112年
科目:研究所、轉學考(插大)◆普通物理學
5. An ant of mass m rests on a stationary wheel of radius r with inertia I = cr2 before moving counterclockwise with speed v. If the rotational friction of the wheel is negligible, how much angle does the wheel turn when the ant passes its original spot on the wheel for the first time?
(A) 
(B)
(C)
(D) 