本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)
[单选题]
11.30: Two cars travel to the right, each starting from re s- nr.+xm*owy7gs2 llst, along a straitp( 0 v89k 3 qwjcz+yuv1.ptxcght road. CarA has twice the acceleration of Car B. After traveling a distance F, Car A has speed B. When Car B has traveled the same distance F, what is its speed in tertvpz+ucck9w q1x0 3.8 jvy( tpms of B?
A. $\frac{v}{4}$
B. $\frac{v}{2}$
C. $\frac{\sqrt{3}v}{2}$
D. $\frac{\sqrt{2}v}{2}$
E. $v$
参考答案: D
本题详细解析:
暂无
| 
