A pipe flow system with flow direction is shown in figure below:
The following table gives the velocities and the corresponding areas:
Pipe No
|
Area (cm)2
|
Velocity (cm/s)
|
1.
|
50
|
10
|
2.
|
50
|
V2
|
3.
|
80
|
5
|
4.
|
70
|
5
|
The value of V is
(a) 2.5 cm/s (b)5.0 cm/s
(c)7.5 cm/s (d)10.0 cm/s