本题目来源于试卷: Mechanical Advantage，类别为 美国物理杯赛(Physics Bowl)
[单选题]
03.45: A point-like object g su7-1vz n-p tu:7lorof mass 2.0 kg moves along the x- 2e .pk qbpm/bo0i+,dg axis with a velocity of +4.0 m/s. A net horizontal force acting along the x-axis is applied to the object with the force-time profile show odb,2e qgpki .0b+m/pn. What is the total work that was done by the force?
A. 10 J
B. 20 J
C. 25 J
D. 65 J
E. 81 J
参考答案: D
本题详细解析:
暂无
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