A heavy rope, 40 ft long, wedge and hangs over the eds 0.7 lb/ft high (Let x be the distance in feet below the top of the bullying )
a. How much work w is done pulling the rope to the top of the building?
Show how to approximate the required work by a Riemann sum.
b. How much work w is done in pulling half the rope to the top of the building?
Show how a approximate the required work by a Riemann sum.