Rotational Dynamics (id: 90f57b00c)

本题目来源于试卷: Rotational Dynamics，类别为 美国物理杯赛(Physics Bowl)

[单选题]
09.40: A uniform solid- 9)pg)pc0.gdu2xd e b ,jl:jwcyk x8h cylinder of mass M=2.00 kg and radius Rdqd-c s ofh9 u:g(5:yr=10.0 cm is connected about an axis through the center of the cylinder to a horizontal spring with spring constant 4.00 N/m. The cylinder is pulled back, strs: dfd h(-gc59qur:yo etching the spring 1.00 m from equilibrium. When released, the cylinder rolls without slipping. What is the speed of the center of the cylinder when it returns to equilibrium?

A. 0.577 m/s
B. 1.00 m/s
C. 1.15 m/s
D. 1.22 m/s
E. 1.41 m/s


参考答案:  C


本题详细解析: 暂无

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