Ask Question
17 February, 23:08

The pulley has an efficiency of 78%. How much useful work does the pulley do if you perform 775 J of work on the pulley

+4
Answers (1)
  1. 17 February, 23:22
    0
    605 J

    Explanation:

    Efficiency = work out / work in

    0.78 = W / 775 J

    W = 605 J
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “The pulley has an efficiency of 78%. How much useful work does the pulley do if you perform 775 J of work on the pulley ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers