water in a canal ,6m side and 1.5m deep ,is flowing with a speed of 10 Km/h .how much area will it irrigate in 30 minutes ,if 8cm of standing water is needed.
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Depth = 1.5 m, width = 6 m, height of standing water = 0.08 m
Speed 10km/hr
1 hour =10 km
60min =10 km
1 min = 1/60×10
30 min=30 /60 ×10 =5 km
Ans =5km= 5000m
Speed 10km/hr
1 hour =10 km
60min =10 km
1 min = 1/60×10
30 min=30 /60 ×10 =5 km
Ans =5km= 5000m
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