Question

If a curve with a radius of 94 m  is properly banked for a car traveling 68 km/h  on frictionless embankment, what must be the coefficient of static friction for a car not to skid when traveling at 83 km/h ?

Answer 1

Given 72 radius = 94m. W, = speed at banked surface = 68 km/n = 18•89ms 12 = Speed for not skidding: = 83 km/n = 23.06 m/s Soly Hang angle of banking is as given tano tamo = 18.89 = 0.387 94 x 9.8 0 = tam '(0.387) 09 = 21.17° Coefficrent of stahic frichiem fan safe driving loa 4s= (V2²-4,²) (1/² tamo prg] Ms = 23.062 – 18-89? -= 0.155 23.062 tam 21.17) + 94x9.8 Ms = 0.155

Please rate
if any mistake in this answer please comment i will clarify your doubt . thank you