本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation,类别为 通用国际物理
[单选题]
A car traveling 20 m/s rounds an 80-m radius horizontal cux : xh eemh2*j9xz+y.wrvohjj xk-r. vz8.:co a,f o5kt8e with the tires on the verge of slipping. How fast can this car round a second curve of radius 320 m? (As 8r o5oh ..ja8k:tzxv jfko-c,sume the same coefficient of friction between the car's tires and each road surface.)
A. 20 m/s
B. 40 m/s
C. 80 m/s
D. 160 m/s
参考答案: B
本题详细解析:
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