Physics Unit6: Work and Energy (id: 09eac95eb)

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 60-kg skier starts fr+zzs7//d4 ftanv mcd/om rest frw;5 .mwgn*wgxxtr0,;haaxp2om the top of a 50-m high slope. If the work done by fricxmwghw*a2 x,a0; x. 5g;n pwrttion is $-6.0 \times 10^{3} \; J$, what is the speed of the skier on reaching the bottom of the slope?

A. 17 m/s
B. 24 m/s
C. 28 m/s
D. 31 m/s
E. 34 m/s


参考答案:  C


本题详细解析: 暂无

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