дано h=1м L=15м F=10Н P=50Н КПД- ?
КПД=Ап*100%/Аз=P*h*100%\FL=50*1*100\10*15=33,3%
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дано h=1м L=15м F=10Н P=50Н КПД- ?
КПД=Ап*100%/Аз=P*h*100%\FL=50*1*100\10*15=33,3%