双导体切割磁感线的功率问题说导轨上有两根金属棒 后一根守恒定拉力 某一时刻前后两根金属棒速度分别为V1 V2磁场B 导轨宽L 电阻分别为左R1 右R2 质量前M 后m 问前一根棒 后一根棒消耗的功
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![双导体切割磁感线的功率问题说导轨上有两根金属棒 后一根守恒定拉力 某一时刻前后两根金属棒速度分别为V1 V2磁场B 导轨宽L 电阻分别为左R1 右R2 质量前M 后m 问前一根棒 后一根棒消耗的功](/uploads/image/z/8296856-8-6.jpg?t=%E5%8F%8C%E5%AF%BC%E4%BD%93%E5%88%87%E5%89%B2%E7%A3%81%E6%84%9F%E7%BA%BF%E7%9A%84%E5%8A%9F%E7%8E%87%E9%97%AE%E9%A2%98%E8%AF%B4%E5%AF%BC%E8%BD%A8%E4%B8%8A%E6%9C%89%E4%B8%A4%E6%A0%B9%E9%87%91%E5%B1%9E%E6%A3%92+%E5%90%8E%E4%B8%80%E6%A0%B9%E5%AE%88%E6%81%92%E5%AE%9A%E6%8B%89%E5%8A%9B+%E6%9F%90%E4%B8%80%E6%97%B6%E5%88%BB%E5%89%8D%E5%90%8E%E4%B8%A4%E6%A0%B9%E9%87%91%E5%B1%9E%E6%A3%92%E9%80%9F%E5%BA%A6%E5%88%86%E5%88%AB%E4%B8%BAV1+V2%E7%A3%81%E5%9C%BAB+%E5%AF%BC%E8%BD%A8%E5%AE%BDL+%E7%94%B5%E9%98%BB%E5%88%86%E5%88%AB%E4%B8%BA%E5%B7%A6R1+%E5%8F%B3R2+%E8%B4%A8%E9%87%8F%E5%89%8DM+%E5%90%8Em+%E9%97%AE%E5%89%8D%E4%B8%80%E6%A0%B9%E6%A3%92+%E5%90%8E%E4%B8%80%E6%A0%B9%E6%A3%92%E6%B6%88%E8%80%97%E7%9A%84%E5%8A%9F)
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