Yahoo Web Search

  1. The amount of work needed to lift engine is its change in potential energy a) mgh = (170)(9.81)(2.2) = 3770 J b) the amount of work done by the team is Fd = 1720(2.2) = 3785 J c) e = 3770/3785 = 99 .6%

    2 Answers · Science & Mathematics · 26/11/2020

  1. Try asking your question on Yahoo Answers