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 2kjxw.ri.r-jrit; d a)81j qbw v )kc wen3jk0g6ke. 6ia m2el8ith uniform acceleration up an incline. The box has an initial speed of 9.0 m/s and rises vertically 2.60 before coming to rest. If the angle of the inclin 63ck6 gew2) akjn. 8ilmekv0ee 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
| 
