Physics Unit4: Force Dynamics & Newton's Laws (id: 48ce32e8e)

本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 通用国际物理

[单选题]
A wooden block slides directly down jf.mdr4 +c d0g(bifa8.sje z.. dnny0an inclined pla,/jcytflz 5 w:ne, at a constant velocity of 6.0 : l,5wtc/ fyjzm/s.
What is the coefficient of kinetic friction, if the plane makes an angle of ${25}^{\circ }$ with the horizontal?

A. 0.47
B. 0.42
C. 0.37
D. 0.91


参考答案:  A


本题详细解析: 暂无

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