Physics Unit6: Work and Energy (id: 02c000a36)

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 spring-driven dart gun xz tixl07v,i ,propels a 10-g dart. It is co42jhnn 1vdr s:cked by exerting a force of 20 N over a distance of 5.0 cm. With what speed will the dart leave the gun, assuming the spring has negligible manshd41 :2jrnvss?

A. 10 m/s
B. 14 m/s
C. 17 m/s
D. 20 m/s


参考答案:  B


本题详细解析: 暂无

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