1.

A spherical ball of radius R is floating at the interface of two liquids with densities rho and 2rho. The volumes of the ball immersed in two liquids are equal. Answer the following questions: Find the force exerted by the liquid with density 2rho on the ball

Answer»

`PIR^(2)rhog(H+(2R)/(3))`
`(2)/(3)piR^(2)rhog`
`(4)/(3)piR^(2)rhog`
`2piR^(2)rhog(H+(2R)/(3))`

SOLUTION :`piR^(2)2Hrhog+(2)/(3)piR^(3)2rhog=F`
`2piR^(2)Hrhog+(4piR^(3)rhog)/(3)=F,2piR^(2)rhog(H+(2R)/(3))=F`


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