本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 国际高中通用物理
[单选题]
Two identical 1500-kg cars are moving perpendicular ) eaucgn1;sk/: d3)yfw hq2ulto ea)iv *5n/ uxu5ed 8ft ,hmzcv8och other. One moves with a speed of 25 m/s due north and the other moves at 15 m/s due east. What is the total momentum of the system 5ot8u *xmeu/hz8,nv id5)vfc ?
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
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