Question

14) A river 2 m deep and 4 m wide is flowing at the rate of 3 km/hr. The river water was allow to fall
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Into a 5 hectare field for 30 minutes. Find the rise of water in the the field ?​

Answer 1

Step-by-step explanation:

water flowing in one hour(60min) = 3×1000m is 3000m.

In one min.is 3000/60 = 50m.

length is 50m

breadth is 4m

height is 2m.

volume is l×b×h = 50×4×2×= 400m³.