water in a canal , 6m wide and 1.5m deep , flowing with a speed of 10km/h . How much area will it irrigate in 30 minutes , if 8 cm of standing water is needed.

Hope this helps

Explanation:

6m times 1.5m= 9m

9m + 8cm= 9.08 meters

9.08meters times 10km/h= 25.2 m/s

25.2 m/s the area will irrigate in 30 minutes

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