敞口容器内装有两层静止液体,上层密度为ρ1,静力学方程为 ;下层的密度为ρ2,静力学方程为。因ρ1<ρ2,取同一基准面,则C1( )C2。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/f2015d0ddc2146a5bd4ee7baeb099d7b.png
举一反三
- 敞口容器内装有两层静止液体,上层密度为ρ1,静力学方程为 ;下层的密度为ρ2,静力学方程为。因ρ1<ρ2,取同一基准面,则C1( )C2。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/f2015d0ddc2146a5bd4ee7baeb099d7b.png
- 敞口容器内装有两层静止液体,上层密度为ρ1,静力学方程为 ;下层的密度为ρ2,静力学方程为。因ρ1<ρ2,取同一基准面,则C1( )C2。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/f2015d0ddc2146a5bd4ee7baeb099d7b.png
- 两层静止液体,上层为油(密度为ρ1),下层为水(密度为ρ2)两层液深相同,皆为h。水油分界面的相对压强与水底面相对压强的比值为()。 A: ρ1/ρ2+ρ2 B: ρ2/ρ1+ρ1 C: ρ1/ρ2 D: ρ2/ρ1
- 如图,等直径管,考虑损失,A-A断面为过流断面,B-B断面为水平面,试确定1、2、3、4各点的物理量有以下关系( )。<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/221f6e4fdefe4fc8a4dccb77b349aa72.jpg" /> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/ace37017ba8545728a2182f386058ba6.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/70b91bd905944a2b94af05cde3e27218.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/2000acab49234b1b95b2c3ecc59dfd3c.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/3d47348e1e6f46a99ed44f691c648298.png" />
- 两层静止液体,上层为油(密度为ρ1)下层为水(密度为ρ2)两层液深相同,均为h。水油分界面的相对压强与水底面相对压强的比值为____