試卷名稱:111年 - 111 國立清華大學學士後西醫學系單獨招生考試_學士後醫學系/自然科學組:物理#110533
年份:111年
科目:學士後西醫-物理
42. In a one dimensional problem, an object of mass m = 2.0 kg is under effect of a resultant force Fxas shown in Fig. 7. If the object passes through the origin (x = 0.0 m) with initial velocity v0 = -2.0 m/s at t = 0, what is the velocity at t = 4.0 s?
(A) -2.0 m/s
(B) -3.0 m/s
(C) -5.0 m/s
(D) -8.0 m/s
(E) -16.0 m/s