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 horizont;bil fo lgll9s7yg.(4al component of 80 N and a vertical component of 6kidm n s5mmo01 xt,7x20 N. The force is applied to a box which rests on a level frxkm7t,50mn is moxd12 ictionless floor. The cart starts 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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