如图所示,一个质量为m的物体(可视为质点)以某一速度从A点冲上倾角为37°的固定斜面,其运动的加速度为0.8g,如图所示,一个质量为m的物体(可视为质点)以某一速度从A点冲上倾角为37°的固定
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![如图所示,一个质量为m的物体(可视为质点)以某一速度从A点冲上倾角为37°的固定斜面,其运动的加速度为0.8g,如图所示,一个质量为m的物体(可视为质点)以某一速度从A点冲上倾角为37°的固定](/uploads/image/z/11358914-50-4.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E7%89%A9%E4%BD%93%28%E5%8F%AF%E8%A7%86%E4%B8%BA%E8%B4%A8%E7%82%B9%29%E4%BB%A5%E6%9F%90%E4%B8%80%E9%80%9F%E5%BA%A6%E4%BB%8EA%E7%82%B9%E5%86%B2%E4%B8%8A%E5%80%BE%E8%A7%92%E4%B8%BA37%C2%B0%E7%9A%84%E5%9B%BA%E5%AE%9A%E6%96%9C%E9%9D%A2%2C%E5%85%B6%E8%BF%90%E5%8A%A8%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6%E4%B8%BA0.8g%2C%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E7%89%A9%E4%BD%93%EF%BC%88%E5%8F%AF%E8%A7%86%E4%B8%BA%E8%B4%A8%E7%82%B9%EF%BC%89%E4%BB%A5%E6%9F%90%E4%B8%80%E9%80%9F%E5%BA%A6%E4%BB%8EA%E7%82%B9%E5%86%B2%E4%B8%8A%E5%80%BE%E8%A7%92%E4%B8%BA37%C2%B0%E7%9A%84%E5%9B%BA%E5%AE%9A)
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