How many litres of water flows out of a pipe having an area of cross section 5 cm² in 1 minute, if the speed of water in the pipe is 30 cm/s.
Answers
Area of cross section of pipe = 5 cm^2
Speed of water flowing out of the pipe = 30 cm/sec
Volume of water that flows out in 1 sec.= 5 ×30 cm^3
= 150 cm^3
volume of water that flows out in 1 minute = 150 ×60
= 9000 cm^3
= 9 litres
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Answer:
Step-by-step explanation:
Given :-
Area of cross section of pipe = 5 cm²
Speed of water flowing out of the pipe = 30 cm/sec
To Find :-
Number of litres of water flows.
Formula to be used :-
Volume of the water flows in 1 minute = Area of the cross section × 30 × 60
Solution :-
Volume of the water flows in 1 minute = Area of the cross section × 30 × 60
Volume of the water flows in 1 minute = 5 × 30 × 60
Volume of the water flows in 1 minute = 9000 cm³
Since, 1000 cm³ = 1 litre
Then, 9000 cm³ = 9 litres
Hence, 9 litres of water flows out from a pipe.