如图所示,绷紧的水平传送带始终以恒定速率v1运行.初速度大小为v2的小物块从与传送带等 如图所示,绷紧的水平传送带始终以恒定速率v1运行.初速度大小为v2的小物块从与传送带等高的光
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![如图所示,绷紧的水平传送带始终以恒定速率v1运行.初速度大小为v2的小物块从与传送带等 如图所示,绷紧的水平传送带始终以恒定速率v1运行.初速度大小为v2的小物块从与传送带等高的光](/uploads/image/z/6279992-8-2.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%BB%B7%E7%B4%A7%E7%9A%84%E6%B0%B4%E5%B9%B3%E4%BC%A0%E9%80%81%E5%B8%A6%E5%A7%8B%E7%BB%88%E4%BB%A5%E6%81%92%E5%AE%9A%E9%80%9F%E7%8E%87v1%E8%BF%90%E8%A1%8C%EF%BC%8E%E5%88%9D%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E4%B8%BAv2%E7%9A%84%E5%B0%8F%E7%89%A9%E5%9D%97%E4%BB%8E%E4%B8%8E%E4%BC%A0%E9%80%81%E5%B8%A6%E7%AD%89+%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%BB%B7%E7%B4%A7%E7%9A%84%E6%B0%B4%E5%B9%B3%E4%BC%A0%E9%80%81%E5%B8%A6%E5%A7%8B%E7%BB%88%E4%BB%A5%E6%81%92%E5%AE%9A%E9%80%9F%E7%8E%87v1%E8%BF%90%E8%A1%8C%EF%BC%8E%E5%88%9D%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E4%B8%BAv2%E7%9A%84%E5%B0%8F%E7%89%A9%E5%9D%97%E4%BB%8E%E4%B8%8E%E4%BC%A0%E9%80%81%E5%B8%A6%E7%AD%89%E9%AB%98%E7%9A%84%E5%85%89)
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