試卷名稱:111年 - 111 臺灣綜合大學系統_學士班轉學生聯合招生考試:普通物理A#125311
年份:111年
科目:研究所、轉學考(插大)◆普通物理學
7. A playground merry-go-round has a radius R and a rotational inertia I. When the merry-go-round is at rest, a child with mass m runs with speed v along a line tangent to the rim and jumps on. The angular velocity of the merry-go-round is then:
(A) mRv/(I-mR²)
(B) mRv/(I+mR²)
(C) mRv/I
(D) 2mRv/I
(E) v/R.