CBSE Class 9 Answered
Water in a canal is flowing at a rate of 3 km per hour. It is 4 m deep and 15 m wide. How much water will fall into the land to be irrigated in half an hour?
Asked by Topperlearning User | 23 Aug, 2017, 03:05: PM
Expert Answer
Depth of the canal (h) = 4 m, Width of the canal (b) = 15 m
Water is flowing at the rate of 3 km/hr or 3000 m/hr.
In 1 hour, water flowing through the tank = 3000 x 4 x 15 m3 = 180000 m3
Thus, in half an hour, water flowing through the tank = 90000 m3 = 90 Kl.
Answered by | 23 Aug, 2017, 05:05: PM
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