本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 国际高中通用物理
[单选题]
Two horizontal curves on a bobsled run are banked at the same a g5bd t7fbe3m)ngle, but ongfkg41 twh0 :9u99 px ifjjjs,hpc+ 2le has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smalwc p juh 09pjg9xjf gfh:2+ 1its49,lkler radius curve is v. What is the safe speed on the larger radius curve?
A. $0.707v$
B. $2v$
C. $1.414v$
D. $0.5v$
参考答案: C
本题详细解析:
暂无
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