36.\x05(18分)如图,木板A静止在光滑水平面上,其左端与固定台阶相距x,与滑块B (可视为质点)相连的细线一端固定在O点.水平拉直细线并给B—个竖直向下的初速度,当B到达最低点时,细线恰好被
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![36.\x05(18分)如图,木板A静止在光滑水平面上,其左端与固定台阶相距x,与滑块B (可视为质点)相连的细线一端固定在O点.水平拉直细线并给B—个竖直向下的初速度,当B到达最低点时,细线恰好被](/uploads/image/z/4652559-63-9.jpg?t=36.%5Cx05%2818%E5%88%86%EF%BC%89%E5%A6%82%E5%9B%BE%2C%E6%9C%A8%E6%9D%BFA%E9%9D%99%E6%AD%A2%E5%9C%A8%E5%85%89%E6%BB%91%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2C%E5%85%B6%E5%B7%A6%E7%AB%AF%E4%B8%8E%E5%9B%BA%E5%AE%9A%E5%8F%B0%E9%98%B6%E7%9B%B8%E8%B7%9Dx%2C%E4%B8%8E%E6%BB%91%E5%9D%97B+%28%E5%8F%AF%E8%A7%86%E4%B8%BA%E8%B4%A8%E7%82%B9%EF%BC%89%E7%9B%B8%E8%BF%9E%E7%9A%84%E7%BB%86%E7%BA%BF%E4%B8%80%E7%AB%AF%E5%9B%BA%E5%AE%9A%E5%9C%A8O%E7%82%B9.%E6%B0%B4%E5%B9%B3%E6%8B%89%E7%9B%B4%E7%BB%86%E7%BA%BF%E5%B9%B6%E7%BB%99B%E2%80%94%E4%B8%AA%E7%AB%96%E7%9B%B4%E5%90%91%E4%B8%8B%E7%9A%84%E5%88%9D%E9%80%9F%E5%BA%A6%2C%E5%BD%93B%E5%88%B0%E8%BE%BE%E6%9C%80%E4%BD%8E%E7%82%B9%E6%97%B6%2C%E7%BB%86%E7%BA%BF%E6%81%B0%E5%A5%BD%E8%A2%AB)
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