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 5/qpfl6 1hleq bobsled ruo h7r/*dfi :djzeh8(fn are banked at the same angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius cuir(h7 d fj z*f8o/e:dhrve 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
| 
