A river 3m deep and 40 …
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Yogita Ingle 4 years, 1 month ago
Given, a river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour.
Area of cross section of the river =3 × 40=120m2
Now, volume of water flowing through this cross section in every minute = Area * rate
= 120 × 2 km/hr
= 120 ×(2000/60) m/min
= 2 × 2000
= 4000m3
Since1m3 =1000 litres
So, 4000m3 =4000 × 1000 litres =4000000 litres
So, in 1 minute, water will fall into the sea is 4000000 litres.
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