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某同学利用图（a）所以实验装置及数学化信息系统获得了小车加速度a与钩码的质量m的对应关系图，如图（b）所示。实验中小车（含发射器）的质量为200g，实验时选择了不可伸长的轻质细绳和轻定滑轮，小车的加速...
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某同学利用图a所以实验装置及数学化信息系统获得了小车加速度a与钩码的质量m的对应关系图如图b所示实验
某同学利用图a所示实验装置及数字化信息系统获得了小车加速度a与钩码的质量m的对应关系图.如图b所示实
某同学在一次实验中利用速度传感器与计算机结合自动描绘出小车的v─t图象如图所示由此图象信息可知
小车先做变加速运动，后做匀减速运动
小车运动的最大速度约为0.8m/s
小车的运动一定是直线运动
9s左右小车离出发点最远
某实验装置将速度传感器与计算机相结合可以自动作出物体运动的图象.某同学在一次实验中得到的运动小车的速
小车先做匀加速运动，后做匀减速运动
小车运动的最大速度约为0.8m/s
小车的最大位移在数值上等于图象中曲线与t轴所围的面积
小车做曲线运动
如图1所示为探究加速度与力质量的关系实验装置及数字化信息系统获得了小车加速度a与钩码的质量及小车和砝
某同学利用图a所以实验装置及数学化信息系统获得了小车加速度a与钩码的质量m的对应关系图如图b所示实验
某同学利用图a所示实验装置及数字化信息系统获得了小车加速度a与钩码的质量m的对应关系图.如图b所示.
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如图1所示为探究加速度与力质量的关系实验装置及数字化信息系统获得了小车加速度a与钩码的质量及小车和砝
某同学利用图a所示实验装置及数字化信息系统获得了小车加速度a与钩码的质量m的对应关系图如图b所示.实
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如图1所示为探究加速度与力质量的关系实验装置该装置依靠电子信息系统获得了小车加速度a的信息由计算机绘
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为了探究力质量与加速度三个物理量之间的定量关系可以在质量一定的情况下探究物体的加速度与的关系再在物体
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