Question

Oil is flowing through a circular pipe of radius 5 cm at the rate of 10 metre per second the speed of oil in pipe is

Answer 1

Answer:

78.5 litres

Explanation:

πr2h= 0.0785 m3

= 78.5 litres

Answer 2

Given :

Radius of oil , r = 5 cm = 0.05 m .

Velocity , $v=10\ m^3/s$ .

To Find :

The speed of oil in pipe .

Solution :

We know , rate flow is given by :

$Rate=Area\times Velocity\\\\R=(\pi r^2)\times 10\\\\R=\pi\times 0.05^2\times 10\\\\R=0.078\ m^3/s$

Therefore , the rate flow is $0.078\ m^3/s$ .

Learn More :

Fluids

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