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Physics (AS & A Level) · Oct / Nov 2019 · Paper 13 · Question 15

9702Energy conservation

A piston in a gas supply pump has an area of 500 cm² and it moves a distance of 30 cm. The pump moves the gas against a fixed pressure of 4000 Pa. How much work is done by the piston?

  1. A60 J
  2. B6.0 × 10³ J
  3. C6.0 × 10⁵ J
  4. D6.0 × 10⁷ J

As printed in the paper

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Correct answer: A. 60 J

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