Homework SourseNigels yoyo weighs 2 lbs and has 2 feet if string which weig
Nigel\'s yo-yo weighs .2 lbs and has 2 feet if string which weighs .0 lbs per foot. How much work does Nigel do yanking the yo-yo all the way up from its maximum extension?
Solution
at maximum extension, mass 0.2 lbs has descended 2 feet and center of mass of string has descended by 1 feet let wt/length of string be P so work done, W = (mass of ball*g*2)+(mass string*g*1) W = 0.4g + Pg put value of P(it was not clear in question) and g = 32 ft/s2 get answer
