Physics, 02.01.2021 06:50 dbenjamintheflash5
What is the efficiency of a machine that lifts a load of 12.0 kg a vertical distance of 5.00 m in 30.0 s after being supplied with 70.0 W of power? Explain the steps you take to get the answer.
Answers: 3
![w =m*g\\w =12*9.81\\w = 117.72 [N]](/tpl/images/1010/8274/3cacb.png)
![W=117.72*5\\W=588.6[J]](/tpl/images/1010/8274/692a7.png)
![P=588.6/30\\P=19.62[W]](/tpl/images/1010/8274/4d98c.png)
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What is the efficiency of a machine that lifts a load of 12.0 kg a vertical distance of 5.00
m in 3...
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