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2. Air in a bicycle pump is compressed by pushing in the handle. If the inner diameter of the pump is 30 cm and the

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2. Air in a bicycle pump is compressed by pushing in the handle. If the inner diameter of the pump is 30 cm and the pump is depressed to 20. cm with a pressure of 2.0 0 atm, (2) how much work is done in the compression? (6) Is the work positive or negative with respect to the air in the pump

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