A well 3.5 m in diameter and 20 m deep be dug in rectangular field 20m by14 m. The earth taken out is spread evenly on the field. Find the level of the earth raised in the field.
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We first get the volume of the soil dug out by getting the volume of the cylindrical hole.
The volume =3.142×(3.5/2)×(3.5/2)×20=192.4475m cubed
The area of the field =20×14=280m2
Using the volume of the soil to get its level we have :
192.4475=280h
H=192.4475/280=0.6873M
The volume =3.142×(3.5/2)×(3.5/2)×20=192.4475m cubed
The area of the field =20×14=280m2
Using the volume of the soil to get its level we have :
192.4475=280h
H=192.4475/280=0.6873M
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