1 )
Find the pressure exerted below a column of water , open to the atmosphere at
the depth ,
a )
5 m ,
b )
20 m ,
(
Given density of water = 1 x 10 ^ 3 kg / m3 , g =
10 m / s2 )
Solution : -
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2 )
At a depth of 1000 m in an ocean ,
a )
: - What is absolute pressure ?
b )
: - What is gauge pressure ?
c )
: - Find the force acting on the wind of area 20 cm x 20 cm of a submarine at
this depth , the interior of which is maintained at the sea – level atmospheric
pressure . The density of sea water is 1.03
x 10 ^ 3 kg m ^ ( -3 ) and g
= 10 m / s2 and Atmospheric pressure = 1.01
x 10 ^ 5 Pa ?
Solution : -
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