Unformatted text preview: 0.8 m to a length of 0.75 m. Find the work done in compressing the spring from its natural length to a length of 0.7 m. (or A fish tank has a rectangular base measuring 1 ft wide and 4 ft long and is 2 ft high. If it is filled with water, what work is required to pump all of the water over the top? – You should be able to do this type of problem with various shaped containers) 12. Find the average value of f(x) = x 3 – x 2 over [1, 4]....
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 Spring '08
 Zhang
 Force, dx, natural length

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