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]
12.25: Which one of the follev7w3 s- yg58rblttx9on x1. rowinn3y cg wn7:fg u al.mib1k*0or e+(yh/g choices best represents the average angular speed of the hour hand on a standard clock (in units of o+ k(gry3gn *7a:um w/y.n ch 0lbfi1erad/s)?
A. $5.24× 10^{-1}$
B. $2.62× 10^{-1}$
C. $1.75× 10^{-3}$
D. $1.45× 10^{-4}$
E. $ 7.27× 10^{-5}$
参考答案: D
本题详细解析:
暂无
|