物理学告诉我们,液体的压强只与液体的密度和深度有关,其公式为
.已知水的密度为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898b43877146d3ec130ca2a4a3597e95.png)
,
,水的压强p随水的深度h的变化而变化,则p与h之间满足的关系式为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1515878ecd7c5ad8a55f46e58d62b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898b43877146d3ec130ca2a4a3597e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275bb2a73e9f9ae3f8074649c471a455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c0f1060605a5f68f9137026ac83cfc.png)
更新时间:2022-08-29 16:10:13
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【推荐1】已知一个正比例函数的图象经过点(﹣2,3),则这个正比例函数的表达式是______________ .
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【推荐2】如图,在平面直角坐标系
中,直线
:
和
:
相交于点A.
![](https://img.xkw.com/dksih/QBM/2023/9/9/3320997704073216/3340042704961536/STEM/5dca4ac1f5f846beaaf79fff9fb46e20.png?resizew=278)
(1)观察图象,直接写出方程组
的解_____ .
(2)若直线
:
与y轴的交点为
,则一次函数
的表达式_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b3c8be9aee074c9a3203abace248ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f06443b381a16ea4a5e39e19794a27.png)
![](https://img.xkw.com/dksih/QBM/2023/9/9/3320997704073216/3340042704961536/STEM/5dca4ac1f5f846beaaf79fff9fb46e20.png?resizew=278)
(1)观察图象,直接写出方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2d061cc120b909db96bd2889021a11.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f06443b381a16ea4a5e39e19794a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ae1b361135eaae8d172cb7aa490d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f06443b381a16ea4a5e39e19794a27.png)
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