5 瞬時速度的計算公式為?
(A) V = Δx/Δt
(B) V = lim(Δt→0) Δx/Δt
(C) V = at
(D) V = v₀ + at

答案:登入後查看
統計: A(6), B(11), C(0), D(3), E(0) #3807554