Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?
Solution:
Speed of water flowing through canal =10 km/h =10, 000 m/h
Volume of water flowing through canal in 1 hour
Volume of water flowing through canal in 30 minutes
Standing water
cm
m
According to given condition we have:
Area which can be irrigated
Area which can be irrigated
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