Answer:
Length of the trough is
l
=
1.5
m
The breadth of the trough is
w
=
60
c
m
Height of the trough is
h
=
40
c
m
The volume of the trough is
V
=
l
×
b
×
h
V
=
(
1.5
)
×
(
0.6
)
×
(
0.4
)
V
=
0.36
m
3
The diameter of the hose pipe is
A
=
π
d
2
4
A
=
(
π
)
(
0.02
2
4
)
A
=
3.14
×
10
−
4
m
2
Now for the rate of flow:
Q
=
A
×
V
Q
=
(
3.14
×
10
−
4
)
×
(
0.36
)
Q
=
1.13
×
10
−
4
m
3
Now for the time:
t
=
V
Q
t
=
0.36
1.13
×
10
−
4
t
=
3185.8
s
Thus, the time taken in order to fill the tank is 3185.8 s
Explanation:
this is the answer