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Physics
Physics
Problem
Calculate the absolute pressure at a point
10
m
10\,\text{m}
10
m
below the free surface of a lake. Take density of water
=
1000
kg m
−
3
=1000\,\text{kg m}^{-3}
=
1000
kg m
−
3
,
g
=
9.8
m s
−
2
g = 9.8\,\text{m s}^{-2}
g
=
9.8
m s
−
2
and atmospheric pressure
P
0
=
1.01
×
10
5
Pa
P_{0} = 1.01\times10^{5}\,\text{Pa}
P
0
=
1.01
×
1
0
5
Pa
. a)
1.50
×
10
5
Pa
1.50\times10^{5}\,\text{Pa}
1.50
×
1
0
5
Pa
b)
2.0
×
10
5
Pa
2.0\times10^{5}\,\text{Pa}
2.0
×
1
0
5
Pa
c)
1.11
×
10
5
Pa
1.11\times10^{5}\,\text{Pa}
1.11
×
1
0
5
Pa
d)
9.8
×
10
4
Pa
9.8\times10^{4}\,\text{Pa}
9.8
×
1
0
4
Pa
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