Physics, 18.03.2021 21:50 shahedalahmad2017
5. A wheelbarrow contains two simple machines—a lever and a wheel and axle. For a certain
wheelbarrow, the lever has an efficiency of 72 percent, and the wheel and axle has an efficiency
of 64 percent. What is the overall efficiency of the wheelbarrow?
Answers: 2
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5. A wheelbarrow contains two simple machines—a lever and a wheel and axle. For a certain
wheelbarr...
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