A river 3 metre Deep and 40m wide is flowing at the rate of 2.5 kilometre per hour. How much water will fall into the sea in 1 minute?
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Answer:
depth (h) of river=3m
width (b) of river= 40m
rate of water flow=2.5km/h 2500÷60= 41.666 OR 41.67(approx)
VOLUME OF WATER FLOW IN RIVER =41.67×3×40= 5000.4metre cube
therefore 5000.4 mtrcube water flow in sea
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