0.30. A hemispherical tank full of water is emptied by a pipe at the rate of 2517 liters per second
How much time will it take to empty hall the tank, if it's 3m i diameter? (22/7)
Answers
Answer:
Volume of the tank =
3
2
πr
3
=
3
2
×
7
22
×(
2
3
)
2
=
14
99
m
3
=
14
99
×1000 litres
=
14
99000
litres
Volume of water to be emptied =
2
1
× Volume of tank
=
2
1
×
14
99000
=
28
99000
litres
Time taken to empty
7
25
litres=1 sec
Time taken to empty 1 litres=
25
7
sec
Time taken to empty
8
99000
litres=
25
7
×
28
99000
sec
=
700
693000
=990 sec
=
60
990
min
=16.5 min
Answer:
diameter of tank = 3m
radius=1.5
volume of hemispherical tank
={4/3x22/7x(3/2)³}/2
=99/14m³
=99/14x1000 liters
vol. of half tank 99000/28 liter
rate of water emptied by pipe 2517 per liter
so time taken
(99000/28)/2517 sec