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Physics · Oct / Nov 2016 · Paper 12 · Question 15

5054Power

An electric motor is used to operate a lift (elevator). The motor does 140 000 J of work in 70 s. What is the output power of the motor?

  1. A0.50 milliwatts
  2. B2.0 watts
  3. C2.0 kilowatts
  4. D9.8 megawatts

As printed in the paper

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Correct answer: C. 2.0 kilowatts

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