一道物理大题.(有关动量,电场,功能关系)如图所示,两块带有等量异种电荷的平行金属板分别固定在长L=1m的光滑绝缘板两端,组成一带电框架.框架右端带负电的金属板上固定着一根原长L0=0.5m的
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![一道物理大题.(有关动量,电场,功能关系)如图所示,两块带有等量异种电荷的平行金属板分别固定在长L=1m的光滑绝缘板两端,组成一带电框架.框架右端带负电的金属板上固定着一根原长L0=0.5m的](/uploads/image/z/10728375-15-5.jpg?t=%E4%B8%80%E9%81%93%E7%89%A9%E7%90%86%E5%A4%A7%E9%A2%98.%28%E6%9C%89%E5%85%B3%E5%8A%A8%E9%87%8F%2C%E7%94%B5%E5%9C%BA%2C%E5%8A%9F%E8%83%BD%E5%85%B3%E7%B3%BB%29%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E4%B8%A4%E5%9D%97%E5%B8%A6%E6%9C%89%E7%AD%89%E9%87%8F%E5%BC%82%E7%A7%8D%E7%94%B5%E8%8D%B7%E7%9A%84%E5%B9%B3%E8%A1%8C%E9%87%91%E5%B1%9E%E6%9D%BF%E5%88%86%E5%88%AB%E5%9B%BA%E5%AE%9A%E5%9C%A8%E9%95%BFL%3D1m%E7%9A%84%E5%85%89%E6%BB%91%E7%BB%9D%E7%BC%98%E6%9D%BF%E4%B8%A4%E7%AB%AF%2C%E7%BB%84%E6%88%90%E4%B8%80%E5%B8%A6%E7%94%B5%E6%A1%86%E6%9E%B6.%E6%A1%86%E6%9E%B6%E5%8F%B3%E7%AB%AF%E5%B8%A6%E8%B4%9F%E7%94%B5%E7%9A%84%E9%87%91%E5%B1%9E%E6%9D%BF%E4%B8%8A%E5%9B%BA%E5%AE%9A%E7%9D%80%E4%B8%80%E6%A0%B9%E5%8E%9F%E9%95%BFL0%3D0.5m%E7%9A%84)
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