本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理
[单选题]
A force of 10 N is applied horizd:/vz vq q2:wf-y, ax)ag-nq bontall ix ut8y :,29,/ :zzszu ,baoqim8/ dlqt1fprey to a 2.0-kg mass on a level surface. The coefficient ofq:sm r8,fx/qizt p,ulie,boau2 tz1 98:dz y/ kinetic friction between the mass and the surface is 0.20. If the mass is moved a distance of 10 m, what is the change in its kinetic energy?
A. $20 \; J$
B. $39 \; J$
C. $46 \; J$
D. $61 \; J$
参考答案: D
本题详细解析:
暂无
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