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 eg,g:e6 0zcooa- 3 bvxhorizontally to a 2.0-kg mase xkb lx v9jx59ccpsr2z;9- j4s on a level surface. The coefficient of kinetic friction between the mass and the surface is 0jperv2j l9zbx ;xk4 c-9s5x9 c.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
| 
