12 A circular race track of radius 300 m is banked at an

Last updated: 6/10/2023

12 A circular race track of radius 300 m is banked at an angle of 15 If the coefficient of friction between wheels and road is 0 25 the optimum speed of the race car is tan 15 0 26 1 24 3 m s 1 2 27 9 m s 1 3 32 6 m s 1 4 38 1 m s 1