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 100-N force has a ho0s.wn 8g;ieym rizontal component of 80 N and0,+()f8lx;t yhbf uhk ahl zg9t1 4xyw a vertical component of 60 N. The force is applied to a box which rests on a level frictionless floor. The cart starts from rest, and moves 2.0 m horizontally along the floor. What is the cart's final t8hlu,byh)gfaz tfkyw(1h 4 +x; l9 x0kinetic energy?
A. $200 \; J$
B. $160 \; J$
C. $120 \; J$
D. zero
参考答案: B
本题详细解析:
暂无
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