17. A metal cube of side 11 cm is completely
submerged in water contained in a cylindrical
vessel with diameter 28 cm. Find the rise in
the level of water.
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QUESTION -
A metal cube of side 11 cm is completelysubmerged in water contained in a cylindricalvessel with diameter 28 cm. Find the rise inthe level of water.
ANSWER -
displaced volume of water in cylinderical tank is equal to volume of metal cube.
volume of metal cube = ( 11×11×11 ) cm3
rise in water level = (displaced volume)/(area of cross section)
= ( 11×11×11 ) / [ π×14×14 ] = 2.16 cm
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