SOLUTION: the cross section of a drain is a rectangle 30 cm wide if water 3.5 cm deep flows along the drain at a rate of 22 cm per second how many litres of water will flow through each m

Question 417374: the cross section of a drain is a rectangle 30 cm wide if water 3.5 cm deep flows along the drain at a rate of 22 cm per second how many litres of water will flow through each minute
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
The volume held in 1 cm length = 30*3.25*1= 97.5 cm^3
the volume held in 22 cms=
97.5 * 22 =2145 cm^3
..
1 sec flow is 2145 cm^3
60 seconds the flow will be 2145 * 60
=128,700 cm^3
1cm^3=0.001 liter
128700 cm^3= 128700*0.001
=128.7 liters
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