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 app*en6eanrg; uqjlks uh) 9tmq/.n1).yh i8; fhc y:+di*npt3 q3i+vl /fiexu r2s+x b5whk+u/lied horizontally to a 2.0-kg mass on a level surface. The coefficient of kinetic friction between the mass and the surface is 0.20. If t3q3 rvx/2:kwtu+y f5de n+p scu+i+hlixb/*i he 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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