Question

the cross section of a drain is a rectangle 30cm wide if the water is 3.5 deep flow through the drain at a rate of 22cm/s how many litres of water willflow through in one minute​

Answer 1

Answer:

=128.7 L

Step-by-step explanation:

The volume of water of 22 cm length = 30×3.25×1×22=2145 cm³

water flow in 1 sec = 2145 cm³

<1 min > or 60 seconds water flow will be =2145 × 60 =128,700 cm³

1cm³=0.001 L

128700 cm³= 128700×0.001

=128.7 L

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