本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 通用国际物理
[单选题]
Two identical 1500-kg cars are movinrs ;cc+(b)e3 lnwsah3 g perpendicular to each other. O c(s)rgd*1e 5uiyy5zbi a* h+nne moves with a speed of 25 m/s due north and the othe1g r yys5)adniz+e *uc5bh*i( r moves at 15 m/s due east. What is the total momentum of the system?
A. $4.4 \times 10^{4} \; kg \cdot m/s$ at $31^{\circ}$ N of E
B. $4.4 \times 10^{4} \; kg \cdot m/s$ at $59^{\circ}$ N of E
C. $6.0 \times 10^{4} \; kg \cdot m/s$ at $31^{\circ}$ N of E
D. $6.0 \times 10^{4} \; kg \cdot m/s$ at $59^{\circ}$ N of E
参考答案: B
本题详细解析:
暂无
| 
