The area of cross-section of a pipe is 3.5 cm² and water is flowing out of pipe at the rate of 40 cm/s. How much water is delivered by the pipe in one minute?
Mensuration
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The area of cross-section of a pipe is 3.5 cm² and water is flowing out of pipe at the rate of 40 cm/s. How much water is delivered by the pipe in one minute?

KnowledgeBoat · Accepted Answer

It is given that Area of cross-section of pipe = 3.5 cm² Speed of water = 40 cm/s Length of water column in 1 sec = 40 cm We know that, Volume of water flowing in 1 second = Area of cross section × length = 3.5 × 40 = 140 cm³. So, the volume of water flowing in 1 minute i.e., 60 sec = 140 × 60 = 8400 cm³. 1 cm³ = litre ∴ 8400 cm³ = = 8.4 litres. Hence, 8.4 litres of water is delivered by the pipe in one minute.

Mathematics

The area of cross-section of a pipe is 3.5 cm² and water is flowing out of pipe at the rate of 40 cm/s. How much water is delivered by the pipe in one minute?

Mensuration

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Mensuration

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The figure (ii) given below shows the cross section of a concrete wall to be constructed. It is 2 m wide at the top, 3.5 m wide at the bottom and its height is 6 m and its length is 400 m. Calculate
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(ii) volume of concrete in the wall.