試卷名稱:106年 - 學士後西醫物理及化學106物理#77053
年份:106年
科目:學士後西醫物理及化學
41. A 2.0 kg particle moves along an x axis, being pushed by a variable force directed along that axis. Its position is given by
. What is the force on the particle at t = 2.0 s ?
(A)
(B) 
(C) 
(D) 
(E) 