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 moving2 z1pp4 pvx9;)kwys.u9pihk t perpeyk8 kew*cf 97dndicular to each other. One moves with a speed of 25 m/s due north and the other movesw 79dkyfke*c8 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
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