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試卷名稱：107年 - 107 學士後西醫：物理及化學#75196
年份：107年
科目：物理
38. A single conservative force
acts on a particle that moves along an x axis. The particle has mass of 2.0 kg. The potential energy 
associated with
is described by 
=
, where x is in meters. What is the value of x where
is equal to zero?
(A) -1.0 m
(B) 1.0 m
(C) 0.5 m
(D) -0.5 m
(E) 0 m