本题目来源于试卷: Rotational basic parameter，类别为 美国物理杯赛(Physics Bowl)
[单选题]
09.16: What condition must be xc, s;;k g;fm6,nf jocmet in order p *6dn8x(w2 bsd/)uenq7eqf/wb udj: to use the rotational kinematics equation):27qe/x8ndd nebsbjw w(ud/6fuq*p $\Delta\theta=w_0t+\frac{2}{1}αt^{2}$
A. The angular acceleration is constant.
B. The angular velocity is constant.
C. The linear acceleration is zero.
D. The angular acceleration is zero.
E. There is no restriction on the use of this equation.
参考答案: A
本题详细解析:
暂无
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