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.
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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).
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).
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