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07.10.2020 •
Mathematics
A pipe is completely full of water.
Water flows through the pipe at a speed of 1.2m/s into a tank.
The cross-section of the pipe has an area of 6cm2.
Calculate the number of litres of water flowing into the tank in 1 hou
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Ответ:
Step-by-step explanation:
Given:
The speed of the water flowing through the pipe into the tank = 1.2 m/s
The area of cross-section of the pipe = 6 cm? = 0.0006 m?
To find:
The no. of litres of water flowing into the tank in 1 hour
Solution:
According to the given values in the question, we will first find the volume of water flowing into the tank through the pipe in 1 second
so,the volume of water flowing into the tank in 1 second is given by,
=[Area of the cross-section of pipe ] x [ The speed of the water flowing into the tank ] =
[0.0006 m²] × [ 1.2 m/s ]
Now,
The volume of water flowing into the tank in 1 hour is given by,
=[ The volume of water flowing in 1 second ] x 3600
where,( 1 hour = 3600 seconds)
=[7.2×10-4 m³] × [3600 seconds ]
= 2.592 m³
We have 1 m³= 1000 litres
so,
2.592 m³ = 2.592 x 10³ = 2592 litres
Thus, the number of litres of water flowing into the tank in 1 hour is 2592 litres.
Ответ: