1.

A flat curve an a highway has a radius of curvature 400 m. A car goes around a curve at a speed of 32 m//s. What is the minimum value of coefficient of friction that will prevent the car from sliding ? `(g=9.8 m//s^(2))`

Answer» Given: `r = 400m, v=32 m//s`
Maximum safety speed of car along curved horizontal road to prevent sliding is
`v=sqrt(mu rg)`
`32^(2)=mu xx 400 xx 9.8` [Squaring on both sides]
`mu=((32)^(2))/(400xx9.8)`
`mu=0.261`


Discussion

No Comment Found

Related InterviewSolutions