Physics, 28.09.2019 20:30 andybiersack154

Awell hole having a diameter of 5 cm is to be cut into the earth to a depth of 75 m. determine the total work (in joules) required to raise the earth material to the surface if the average mass of 1 m is 1830 kg. (data: g = 9.81 m/s) (hint: how much work is required to raise a volume of ad/4 x dx from a depth of x feet to the surface?

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Awell hole having a diameter of 5 cm is to be cut into the earth to a depth of 75 m. determine the t...

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