Mechanical Advantage (id: 6f1309afd)

本题目来源于试卷: Mechanical Advantage，类别为 美国物理杯赛(Physics Bowl)

[单选题]
06.17: A point-like objepwm1c,bidg3 ;ux 8://r eaiqucp+,xe:x9 z efn;. zd2s1;fnex z:hww pt of mass 2.0 kg moves along the +x- axis with a kinetic energy of 16.0 J. A net horizontal force acting along the x-axis is applied to the object with the force- position profile shown. What is the total impulsew ezp x fx.; x9wesn:p,nf;:d1ezh2z+ delivered by the force (units in kg m/s).

A. 40
B. 20
C. 12
D. 10
E. 4


参考答案:  E


本题详细解析: 暂无

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