question_answer

If\[{{\mu }_{s}}\]is coefficient of static friction, the maximum speed \[{{V}_{\max }}\]with which a vehicle can negotiate an unbanked curved track having radius R and inclined at an angle \[\theta \] with respect to horizontal plane is

A)                 \[{{v}_{\max }}=\sqrt{Rgtab\theta }\]   

B)  \[{{v}_{\max }}=\sqrt{{{\mu }_{s}}Rg}\]

C)                  \[\sqrt{Rg}\]                                    

D)  \[\sqrt{\tan \theta /Rg}\]