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 horizontal force ofie7w4 (ph bhhwx-e7rmh8 /wd 8 200 N ip)qn1 okc79dk s applied to move a 55-kg cart (initially at rest) across a p7 o9d 1kn)qkc10 m level surface. What is the final kinetic energy of the cart?
A. $1.0 \times 10^{3} \; J$
B. $2.0 \times 10^{3} \; J$
C. $2.7 \times 10^{3} \; J$
D. $4.0 \times 10^{3} \; J$
参考答案: B
本题详细解析:
暂无
| 
