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-kg8qg) b*)3 wtnhh ,g,pi-treti cars 7mie4 ,jh.r ixare moving perpendicular to each other. One moves with a speed ofx4r7,heiim j. 25 m/s due north and the other 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
| 
