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 sister rp f0frj d,i *z+/5rmlSarah in a *hyf a2fc qy gs.*saudblw(5,f072j asled on an icy surface (assume no friction.y(s5qj*fh07ld f2,asg u*cw a2af by ), 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
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