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]
A car of mass m goes.crue:qraxmbxu 25a90dj v 9 (-i9j qc around a banked curve of radius r with speoyw5 7icm+0hgj mx/cuw/ y18oed v. If the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road iso5/+ omyc1ww 0h8x7jm ciygu/ 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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