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Please help.2. A piston-cylinder setup is shown the below figure containing a compassed gas. Weights are placed on the piston until the total mass of the weights and the piston is equal to 20kg. The piston has a cross-sectional area of 8cm2. Determine the total pressure of the gas in the tank and the pressure reading on an ordinary pressure gauge on the tank Gas 3. This problem refers to the previous one. Assume the tank bottom has an area of 20cm2. Compare the total force exerted on the bottom of the tank to the weight of the piston plus the atmospheric force on the piston. You may assume the gas has negligible weight. A. B. Explain your result

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