gc physics textbook chapter 3 problems (id: b3ee10c63)

本题目来源于试卷: gc physics textbook chapter 3 problems，类别为 通用国际物理

[填空题]
Two cars approach a street nly5, ickd6 kektj45/conl5pg : 02yj wzpb8p 1wme2h/trner at right angles to each other (Fig. below). Car 1 travels at a speedmp8yzl2 21 0 tpeh5bwpng:j w/ relative to Earth $v_{1 \mathrm{E}}=35 \mathrm{~km} / \mathrm{h}$ , and car 2 at $v_{2 \mathrm{E}}=55 \mathrm{~km} / \mathrm{h}$ . What is the relative velocity of car 1 as seen by car 2 ?    km/h    $\theta$$^{\circ} $ West of North
What is the velocity of car 2 relative to car 1 ?    km/h    $\theta$ $^{\circ} $ south of east

参考答案:
空格1: 65±2%  空格2: 58±2%  空格3: 65±2%  空格4: 32±2% 


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