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]
Two horizontal curves on 7u)pop6 8c1p*t*j i:mlehhz b a b4 - s ymmtc3r0fq,f2coobsled run 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) cffs m3 ymoq,tr2-04c for the smaller 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
| 
