如图,ABCD为一竖直平面的轨道,其中BC水平,A点比BC高出10米,BC长1米,AB和CD轨道光滑.一质量为1千克的物体,从A点以4米/秒的速度开始运动,经过BC后滑到高出C点10.3m的D点速度为零.求:(g=10m/s2)求
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![如图,ABCD为一竖直平面的轨道,其中BC水平,A点比BC高出10米,BC长1米,AB和CD轨道光滑.一质量为1千克的物体,从A点以4米/秒的速度开始运动,经过BC后滑到高出C点10.3m的D点速度为零.求:(g=10m/s2)求](/uploads/image/z/7249292-44-2.jpg?t=%E5%A6%82%E5%9B%BE%2CABCD%E4%B8%BA%E4%B8%80%E7%AB%96%E7%9B%B4%E5%B9%B3%E9%9D%A2%E7%9A%84%E8%BD%A8%E9%81%93%2C%E5%85%B6%E4%B8%ADBC%E6%B0%B4%E5%B9%B3%2CA%E7%82%B9%E6%AF%94BC%E9%AB%98%E5%87%BA10%E7%B1%B3%2CBC%E9%95%BF1%E7%B1%B3%2CAB%E5%92%8CCD%E8%BD%A8%E9%81%93%E5%85%89%E6%BB%91.%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BA1%E5%8D%83%E5%85%8B%E7%9A%84%E7%89%A9%E4%BD%93%2C%E4%BB%8EA%E7%82%B9%E4%BB%A54%E7%B1%B3%2F%E7%A7%92%E7%9A%84%E9%80%9F%E5%BA%A6%E5%BC%80%E5%A7%8B%E8%BF%90%E5%8A%A8%2C%E7%BB%8F%E8%BF%87BC%E5%90%8E%E6%BB%91%E5%88%B0%E9%AB%98%E5%87%BAC%E7%82%B910.3m%E7%9A%84D%E7%82%B9%E9%80%9F%E5%BA%A6%E4%B8%BA%E9%9B%B6.%E6%B1%82%EF%BC%9A%EF%BC%88g%3D10m%2Fs2%EF%BC%89%E6%B1%82)
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