一个底面积为25cm^2的圆柱形容器放在水平桌面上,高为30cm,重为4N.向容器中倒入500mL的某种液体后,容器和液体共重7.92N.求:(1)液体的密度;(2)液体对容器底的压强;(3)容器对桌面的压强.(g=9.8N
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![一个底面积为25cm^2的圆柱形容器放在水平桌面上,高为30cm,重为4N.向容器中倒入500mL的某种液体后,容器和液体共重7.92N.求:(1)液体的密度;(2)液体对容器底的压强;(3)容器对桌面的压强.(g=9.8N](/uploads/image/z/1394702-62-2.jpg?t=%E4%B8%80%E4%B8%AA%E5%BA%95%E9%9D%A2%E7%A7%AF%E4%B8%BA25cm%5E2%E7%9A%84%E5%9C%86%E6%9F%B1%E5%BD%A2%E5%AE%B9%E5%99%A8%E6%94%BE%E5%9C%A8%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E4%B8%8A%2C%E9%AB%98%E4%B8%BA30cm%2C%E9%87%8D%E4%B8%BA4N.%E5%90%91%E5%AE%B9%E5%99%A8%E4%B8%AD%E5%80%92%E5%85%A5500mL%E7%9A%84%E6%9F%90%E7%A7%8D%E6%B6%B2%E4%BD%93%E5%90%8E%2C%E5%AE%B9%E5%99%A8%E5%92%8C%E6%B6%B2%E4%BD%93%E5%85%B1%E9%87%8D7.92N.%E6%B1%82%EF%BC%9A%281%29%E6%B6%B2%E4%BD%93%E7%9A%84%E5%AF%86%E5%BA%A6%EF%BC%9B%282%29%E6%B6%B2%E4%BD%93%E5%AF%B9%E5%AE%B9%E5%99%A8%E5%BA%95%E7%9A%84%E5%8E%8B%E5%BC%BA%EF%BC%9B%283%29%E5%AE%B9%E5%99%A8%E5%AF%B9%E6%A1%8C%E9%9D%A2%E7%9A%84%E5%8E%8B%E5%BC%BA.%EF%BC%88g%3D9.8N)
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