Thursday
March 23, 2017

Post a New Question

Posted by on Tuesday, May 27, 2014 at 4:56pm.

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine?

  • physical science - , Tuesday, May 27, 2014 at 5:16pm

    100( power out ) /power in

    100*3760/4000 = 94 %

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question