Exam-style question
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Which of the following represents the correct conversion from kilojoules to joules?.
- A.1 kJ = 100 J
- B.1 kJ = 1000 J
- C.1 kJ = 10 J
- D.1 kJ = 10000 J
Model answer
What a good answer should say
- 1 kJ = 1000 J
Explanation
Why this works
The correct conversion is 1 kJ = 1000 J, as 'kilo' denotes a factor of 1000 in the SI unit system.
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