Question #149591
a cylindrical silo has a hemispherical top. the cylinder has a height of 40 m and a base diameter of 12m.

b. the silo should be filled no more than 80% capacity. how much grain can be put in the silo>

c. a truck with a bin measuring 8 m by 4 m by 3.5m delivers grain. how many truckloads would fill a silo to its recommended capacity
1
Expert's answer
2020-12-10T20:13:21-0500

Consider the cylindrical silo with hemispherical top as shown in the figure below:





The total volume of the silo is,


V=π(62)(40)+23π(63)V=\pi (6^2)(40)+\frac{2}{3} \pi (6^3)


=1440π+144π=1440\pi+144\pi


=1584π=1584\pi


The amount of grain put into the silo is,


A=1584π(80100)A=1584\pi(\frac{80}{100})


=1267.20π=1267.20\pi


The number of truckloads to fill to silo to its recommended capacity of 80% is,


n=1267.20π(8)(4)(3.5)n=\frac{1267.20\pi}{(8)(4)(3.5)}


=39635π=\frac{396}{35}\pi


36\approx 36


Therefore, the number of truckloads to fill the silo to its recommended capacity is n36n\approx36

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