本题目来源于试卷: Newton’s law of motion,类别为 美国物理杯赛(Physics Bowl)
[单选题]
00.21: A car of mass m slide3 .xrfpnvdf-:h .n *mss across a patch of i/xx*b b aue/s0ce at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction betabxeu x s/0b*/ween the tires and the dry road is μ .
If the car had a mass of 2m, it would have skidded a distance of
A. 0.5d
B. $d$
C. 1.41d
D. 2d
E. 4d
参考答案: B
本题详细解析:
暂无
|