Question #194747

How long must a 400 W electrical engine work in order to produce 300 kJ of work?


1
Expert's answer
2021-05-19T17:04:00-0400

W=P⋅t→t=W/P=300000/400=750 (s)=12.5 (min)W=P\cdot t\to t=W/P=300000/400=750\ (s)=12.5\ (min) . Answer

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