Water is being pumped out through a circular pipe whose internal diameter is 7 cm. If the flow of water is 12 cm/s, how many litres of water is being pumped out in an hour?
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Answer:
1662 Litres
Step-by-step explanation:
Radius of the pipe , r = 7/2 cm
The formula known,
Water Flow Rate [cm^3/s] = Area Of Cross-Section [cm^2] × Water Flow Speed [cm / s]
= [π×3.5×3.5] × [12]
≈ 466 cm^3 /s
Volume of water collected in 1 hour = 462×3600/1000
≈ 1662 litre
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