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 horizon:uxy(du r7 d;fy/f.rk: by d2ttal component of 8rnq+nv0o y :,n0 N and a vertical component of 60 N. The force is applied to a box which rests on a level frictionless floor. The cart starts vynn+q 0rno,: from rest, and moves 2.0 m horizontally along the floor. What is the cart's final kinetic 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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