Mathematics, 07.11.2019 10:31 sergiog6833
Amachine has an efficiency of 70%. how much work does the machine do when 20,000 j of work is done on it? a. 14,000 j b. 28,600 j c. 1,400,000 j d. 2,860,000 j
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Amachine has an efficiency of 70%. how much work does the machine do when 20,000 j of work is done o...
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