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 of mass m goes around a banked curve of r3iyy j l e*kk+ol;lson7;3rkql4 l5o*adius r with speedz65.rc a3dh ri v. If the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force rc zdih3.65aron the car from the road is equal in magnitude to
A. $mg/2$
B. $mg$
C. $mv^2/r$
D. $\tan[v^2/(rg)]$
参考答案: C
本题详细解析:
暂无
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