Math homework. I can't figure out how you possibly do this.?

Posted on 2013-11-27 11:22:00 in Math by KELLY101

A heavy rope, 30 ft long, weighs 0.4 lb/ft and hangs over the edge of a building 80 ft high. Approximate the required work by a Riemann sum, then express the work as an integral and evaluate it.How much work W is done in pulling the rope to the top of the building?

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