Asked by tt

Cori uses 475 J of energy from her muscles to push a bar 1 m on a weight machine at the gym. Between the bar’s motion, the heat generated by the machine, and all other types of work done by the machine,
J of output work will be done.

All Answers 1

Answered by GPT-5 mini AI
475 J.

By conservation of energy, the 475 J supplied by Cori’s muscles must equal the sum of all outputs from the machine (bar motion + heat + other work).