A Heavy Rope, 60 Ft Long, Weighs 0.3 Lb/Ft And Hangs Over The Edge Of A Building 150 Ft High. (Let X Be The Distance In Feet Below The Top Of The Building.) How Much Work W Is Done In Pulling The Rope To The Top Of The Building? Show How To Approximate The Required Work By A Riemann Sum. Express The Work As An Integral. Evaluate The Integral. How Much

 

 

 

Your last submission is used for your score. O 5 points 1 Previous Answers SEssCalcET2 7.6.009.M. 3/5 Submissions Used A heavy rope, 60 ft long, weighs 0.3 lb/ft and hangs over the edge of a building 150 ft high. (Let x be the distance in feet below the top of the building.) (a) How much work W is done in pulling the rope to the top of the building? Show how to approximate the required work by a Riemann sum. (Enter x," as x-) w=lim 288 3 101 Express the work as an integral. 60 W= )Ax 3 x dx 10 Evaluate the integral. W-540 ft-lb (b) How much work W is done in pulling half the rope to the top of the building? Show how to approximate the required work by a Riemann sum. (Enter x* as x) W lim 1 Express the work as an integral. x)AX 30 W= Evaluate the integral. x)dx W= x ft-lb Need Help? Read It Watch t Master It Talk to a Tutor Submit Answer Save Progress Practice Another Version Ask me anything 13 e