1luhhjenesis18 1luhhjenesis18

20-03-2021
Physics

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a wheelbarrow contains two simple machines-a liver and a wheel and axle. for a certain wheelbarrow , the lever has an efficiency of 72%, and the wheel and axle has an efficiency of 64%. what is the overall efficiency of the wheelbarrow?

Respuesta :

20-03-2021

The overall efficiency should be 46 %

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