[问答题]
A curve of radius 67 m ir. m.qh8w8d7x, unu sas s:70/;nvuq *yuyh+ aphu p )zvbanked for a design speed of If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely handle the curve*zh vy a:v0y;u7 u/snp+ q)hup?
