Physics (AS & A Level) · Oct / Nov 2019 · Paper 12 · Question 14

The gas in an engine does work on a piston of cross-sectional area 80 cm². The pressure on the piston has a constant value of 4.6 × 10⁵ Pa. How much work is done by the gas on the piston when it moves through a distance of 25 cm?

1. A9.2 × 10² J
2. B9.2 × 10⁴ J
3. C9.2 × 10⁶ J
4. D9.2 × 10⁸ J

As printed in the paper