A hole is made at the bottom of a tank filled with water at 10°C. If the total pressure at the bottom of tank is 3 atmosphere and
density of water is 1000 kgm 3, then the velocity of efflux is
(A) 20 ms-1
(B) 102 ms-1
(C) 1076 ms-1
(D) 105 ms
Answers
Answered by
0
Answer:
Given,
P=1000kg/m
3
P=3atm=3×10
5
N/m
2
P
0
=1atm=10
5
N/m
2
Pressure due to liquid column is
P−P
0
=ρgh
velocity of flux V=
2gh
V=
2
ρ
(p−P
0
)
=
1000
2(3×10
5
−10
5
)
=
1000
4×10
5
=
400
m/s
Hence,
option A is correct answer.
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