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 ro9py*kmb9lzh9l7ev 1 ounds an 80-m :*.k+/tkb 4zafd dhd j9nco/ p, mbh;jradius horizontal curve with the tires on the verge of slipping. How fast can this car round a second curve of radius 320 m? (Assume the same coefficient of friction between the car's tires and4j/ c,nba:td mbk 9dh* k d+/z;jhfop. 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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