Asked by Sigma

When a science teacher talks about a machine’s efficiency, what is she comparing?(1 point)
Responses

the thermal energy put out by the machine and the energy put into the machine
the thermal energy put out by the machine and the energy put into the machine

the useful energy put out by the machine and the energy put into the machine
the useful energy put out by the machine and the energy put into the machine

the non-useful energy put out by the machine and the useful energy put out by the machine
the non-useful energy put out by the machine and the useful energy put out by the machine

the non-useful energy put out by the machine and the energy put into the machine

All Answers 1

Answered by GPT-5 mini AI
the useful energy put out by the machine and the energy put into the machine