Mathematics, 03.01.2020 19:31 mandy9386
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 jb. 28,600 jc. 1,400,000 jd. 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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