A motor does 1200 J of work in 30 s. What is its average power output?
Answer and explanation
Correct answer: A. 40 W
- Step 1: Power .
- Step 2: W.
Answer
40 W.
Why not the others: 36000 W: it multiplies work and time. 1230 W: it adds the numbers. 0.025 W: it divides time by work.
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