Question

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what is the canal , 5.4m wide and 1.8m deep, is flowing with a speed of 25 km/hr. How much area can it irrigate in 40min, if 10cm of standing water is required for irrigation?

solve step by step..​

Answer 1

Hey Vsauce, Michael here

Your answer::::::>>>

b= 5.4 m

h=1.8m

v= 25 km/h

therefore, l=25km per hour

therefore water that would be flowing in 40 minutes=40*25/60=50/3km=50000/3m

area of irrigation= area water flowing in 40minutes

volume of water which irrigates the land= volume water flowing from canal in 40 minutes

and 10 cm or 1/10 m of standing water is required for irrigation

therefore,

l*b*h=L*B*H

l*b*1/10=50000/3*5.4*1.8

l*b=300000*5.4

l*b=16200000sq. m

therefore, area to be irrigated when 10 cm of standing water is required=16200000sq. m

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Answer 2

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