Overweight and underweight (id: a59d9335e)

本题目来源于试卷: Overweight and underweight，类别为 美国物理杯赛(Physics Bowl)

[单选题]
17.25: A box slides with unifrmno.1cj xux .2n:j kbw5u*d*orm acceleration up anmd*wo5 5yf bo;g a8da ntb;i5r0 3e.jd incline. The box has an initial speed of 9.0 m/s and 08 b5;5ydo;5 waf bor.i*gdnad3ejtmrises vertically 2.60 before coming to rest. If the angle of the incline is$30^{\circ}$, what is the coefficient of kinetic friction between the box and the incline?

A. 0.298
B. 0.322
C. 0.372
D. 0.483
E. 0.557


参考答案:  B


本题详细解析: 暂无

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