Find solutions to your problems with the help of IDNLearn.com's knowledgeable users. Ask your questions and receive prompt, detailed answers from our experienced and knowledgeable community members.

A heat engine exhausts 3 000 J of heat while performing 1 500 J of useful work. What is the efficiency of the engine

Sagot :

efficiency=work output/work input×100

since it exhausts(use up)3000j of heat that's the work input and the 1500j is the work input

efficiency=1500/3000×100

=50%