A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour. How much water will fall into the sea in a minute?
Rate of water flow = 2 km per hour
Depth (h) of river = 3 m
Width (b) of river = 40 m
`"Volume of water flowed in 1 min "=(100/3xx40xx3)m^3=4000m^3`
Therefore, in 1 minute, 4000 m3 water will fall in the sea.
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