本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 国际高中通用物理
[单选题]
An object slides on a level surface in the +x directija 2l0q 2 yqf-f12 ejhg(i.ytkon. I xam)ct*00uvw1o;gcjput 2t- ,rjo o(t slows and comes to a stop with a constant acceleration of -u ;*vgmxutj-12,rto c)(t0opj awc o0 $2.45 \; m/s^2$. What is the coefficient of kinetic friction between the object and the floor?
A. 0.25
B. 0.50
C. 4.9
D. Impossible to determine without knowing the mass of the object.
参考答案: A
本题详细解析:
暂无
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