問題詳情
2. An automobile traveling along a straight road increases its speed from 30.0 m/s to 50.0 m/s in a
nce of 180 m. If the acceleration is constant, how much time elapses while the au
distance?
(A) 6.00 s
(B) 4.50 s
(C) 3.60 s
(D) 4.00 s
(E) 9.00 s
參考答案
答案：B
統計：A:0,B:0,C:1,D:0,E:0
難度：計算中