Question

How many litres of water flows out of a pipe in 1 hour having an area of cross section 5cm^2, if the speed of water is 30 cm/s​

Answer 1

Volume of water in 1s = Area × Velocity

= 5 × 30 = 150cm³/s

Volume of water flowing out in 1hr or 60min or 3600s

= 150×3600 = 5,40,000cm³

1cm³ = 0.001 litre

5,40,000cm³ = 540 litre

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