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water in a canal, 6m wide and 1.5m deep, is flowing at a speed of 4km/h. how much area will it irrigate in 10 minutes, if 8cm of standing water is needed for irrigation. |
volume of the water coming out in 1 hour of 6 m wide and 1.5 deep with speed of 10 km /hr (speed = 10*1000 m/hr) therefore the volume of the water coming out in 10 min  let the area irrigated be xm2 Standing water height be h = 8 cm = 8/100 = 0.08 m therefore  since 1 hectare = 10000 sq m thus the area irrigated = 18.75 hectare |
