A cylinder has a radius 10cm. …
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Yogita Ingle 4 years, 3 months ago
Let ρ be the density of water, and h be the height of water in cylinder, then thrust at the bottom
F= pressure × area =(hρg)×π2
Thrust on the walls, F'= average pressure × area
F'(ρgh/2)(2πrh)=πrh2ρgF′
When F=F',
then hρg×πr2 = πrh2ρg
or h=r=10cm
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