Question

The minimum radius of a circle along which a cyclist can ride with a velocity 18 km/hr if the coefficient of friction between the tyres and the road is µ = 0.5, is ______ (Take g = 10 m/s²)

पर्याय

• 5

• 6

• 7

• 8

Answer 1

The minimum radius of a circle along which a cyclist can ride with a velocity 18 km/hr if the coefficient of friction between the tyres and the road is µ = 0.5, is 5 (Take g = 10 m/s²)

Explanation:

R = `"v"^2/(mu"g")`

= `(5xx5)/(0.5xx10)`

= 5 m