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]
A 1500-kg car traveling at 90.0 km/h 6:d8yy f. + o9nig p;pozas2ui east collides w r1g pllxfxh 5vxx ,.kdz96-, ooa -a1uith a 3000-kg car traveling at 60.0 km/h south. r1zg.ad5l,hx-p,ku o lxo6 xax 1-fv9The two cars stick together after the collision. (See Fig. 7-1.) What is the direction of motion of the cars after collision? 
A. $36.9^{\circ}$ S of E
B. $36.9^{\circ}$ E of S
C. $53.1^{\circ}$ S of E
D. $53.1^{\circ}$ E of S
参考答案: C
本题详细解析:
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