Physics, 28.11.2020 09:20 Emptypockets451
A machine that operates a ride at the fair requires 2500 J to lift a 294 N child 5.0 m. What is the efficiency of this machine?
Answers: 1
![W = 294*5\\W = 1470 [J]\\](/tpl/images/0931/5769/8dd4f.png)
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A machine that operates a ride at the fair requires 2500 J to lift a 294 N child 5.0 m. What is the...
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