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8 Energy – forces doing work

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Question 24

An electric iron transfers 720 kJ of energy while working at a power of 2.0 kW. What is the operating time?

[1]
A

6.0 minutes6.0\ \mathrm{minutes}6.0 minutes

B

360 minutes360\ \mathrm{minutes}360 minutes

C

24 minutes24\ \mathrm{minutes}24 minutes

D

6000 minutes6000\ \mathrm{minutes}6000 minutes

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8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

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