Asked by Anonymous
find the work required to pull up the anchor if the cable weighs 20 lb/ft in water
Answers
Answered by
Steve
so, each slice of thickness dx feet of cable weighs
20 dx
so, if n feet are pulled up, starting at depth a, the work (force * distance) is
∫[a,a-n] 20 dx
You seem to have left out some info.
20 dx
so, if n feet are pulled up, starting at depth a, the work (force * distance) is
∫[a,a-n] 20 dx
You seem to have left out some info.
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