[填空题]
If a curve with a radiusm8yo0w-f:i xj of 88 l6+raz /z5rqef80edom is perfectly banked for a car traveling 75 $\mathrm{~km} / \mathrm{h}$ , what must be the coefficient of static friction for a car not to skid when traveling at 95 $\mathrm{~km} / \mathrm{h}$ ?
