問題詳情
39. A car travels at a constant speed of 60 km/hr on a level circular turn of radius of 40 m. What isthe minimum coefficient of static friction between tire and the roadway to allow the car to makethe turn without sliding? (Gravitational acceleration g = 10 m/s2)
(A) 0.83
(B) 0.73
(C) 0.63
(D) 0.53
(E) 0.43
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增