翰林国际教育全网首发
力争超快速发布最全资料
助你在升学路上一帆风顺
为你的未来保驾护航
此套题仅 p II含有简答题,
共计时45分钟,共3题
占总分50%
每道大题可能含有不同数量的小题
可以使用计算器
1)In an experiment, a student wishes to use a spring to accelerate a cart along a horizontal, level track. The spring is attached to the left end of the track, as shown in the figure above, and produces a nonlinear restoring force of magnitude FS = As2 + Bs , where s is the distance the spring is compressed, in meters. A measuring tape, marked in centimeters, is attached to the side of the track. The student places five photogates on the track at the locations shown.
© 2024. All Rights Reserved. 沪ICP备2023009024号-1