Define machine which works by compressing a cylinder of gas

Reference no: EM13126392

Question about States of Matter
Ian eats too many mars bars. To try to get rid of the excess kJ's he exercises in the gym by using a weights machine which works by compressing a cylinder of gas. If a standard mars bar is approximately 1000kJ. Calculate the number of times Ian has to push the piston in the cylinder up and down to 'burn off' a mars bar. Assume that the gas in the cylinder is perfect. The cylinder has a diameter of 30cm and the piston travels a distance of 40cm in each compression.

Reference no: EM13126392

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