如图所示,
,
,
和B紧靠着放在光滑水平面上,从
时刻起,对B施加向右的水平恒力
,同时对
施加向右的水平变力
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98e43ac575ed2c876eac0568007bc92.png)
______ s时
、B将分离,此时B物体的加速度大小为______
。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e55736c63ddf50b96ff28b31fa6409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7cfbc5156600914f1f811261a0aa88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aeb9a94e392f6759b18abed89aacc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23db7c72d1a3c5178f88a12a4bb92037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b22fded1d78d251d7eb22eef8640735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98e43ac575ed2c876eac0568007bc92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/720cd3a465f0dbe15475b3e61e0c0666.png)
![](https://img.xkw.com/dksih/QBM/2022/1/7/2896176997441536/2918378523189248/STEM/d23e7976-6eab-4d2d-8b25-3768c41ae7ea.png?resizew=288)
更新时间:2022-02-17 15:19:12
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【知识点】 整体法与隔离法解连接体问题