Physics Unit8: Rotational Motion (id: 2a1d1388f)

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本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics

[单选题]
A wheel starts from rest and reaches an angular speed of 6.0p/u (;yrhk67ynuie(py-g eq6 rad/5jb/ jymrf1 p8z/zpd:.fv to4s while turning through 2.0 revolutions. What is the averag y p5ot8 zf1jv/pmj.:fbd4rz/e angular acceleration of the wheel?

A. $0.24 \; rad/s^2$
B. $1.4 \; rad/s^2$
C. $3.0 \; rad/s^2$
D. $9.0 \; rad/s^2$


参考答案:  B


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