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]
Matthew pulls his little si-. u3gu-uar-xng5y+ o k3 xyxester Sarah in a sl2u - o(,op,t:jjwlezred on an icy surface (assume no friction)p o 2el:zj- ut,r,ow(j, with a force of 60.0 N at an angle of $37^{\circ}$ upward from the horizontal. If he pulls her a distance of 12.0 m, what is the work done by Matthew?
A. $185 \; J$
B. $433 \; J$
C. $575 \; J$
D. $720 \; J$
参考答案: C
本题详细解析:
暂无
| 
