A motor does 1200 J of work in 120 s. What is its average power output?

Answer and explanation

Correct answer: D. 10 W

  1. Step 1: Power .
  2. Step 2: W.
Answer
10 W.
Why not the others: 144000 W: it multiplies work and time. 1320 W: it adds the numbers. 0.1 W: it divides time by work.

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A motor does 1200 J of… | HKDSE (Hong Kong) Force and Motion