Water in a canal is 6m wide and 1.5m deep flowing at a speed of 4 km /hr . How much area will it irrigate in 10 min .If 8 cm of stanfing waternis needed
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For one hour let water be stationary so the shape would be cuboid
In
1hr=4km
10min=4x10/60
=As the whole unit is in I'm so change it in metre -4000/6
Also 8cm=8/100 m
Area x h =volume of cuboid
Area x8/100=4000/6 x1.5 x6
Area= 75000
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