What will be the maximum speed of a car on a road turn of radius 30 m if the coefficient of friction between the tyres and the road is 0.4 (Take g = 9.8 m/s²)
10.84 m/s
9.84 m/s
8.84 m/s
6.84 m/s
Correct Option: A
r = 30 m and µ = 0.4. vmax = √μrg = √0.4 × 30 × 9.8 = 10.84 m/s
