本题目来源于试卷: Momentum and Energy，类别为 美国物理杯赛(Physics Bowl)
[单选题]
17.49: Two identical pc/:k m8vdj 3zqarticles travel t94xpned)vmf6p7w 5 a yo the right. The particle traveling at $2.4\times\:10^8\:m/s$ collides with and sticks to the other particle traveling at $1.8\times\:10^8\:m/s$. Which one of the following choices best represents the speed of the resulting object after collision(in unit of m/s)?
A. $2.20\times\:10^8$
B. $2.14\times\:10^8$
C. $2.10\times\:10^8$
D. $2.06\times\:10^8$
E. $2.00\times\:10^8$
参考答案: B
本题详细解析:
暂无
| 
