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The overall volume compression ratio of a reversed carnot cycle working with air as a refrigerant is 10. The temperature limits of the cycle are 40 defree C. determine:
1. the pressure, volume and temperature at each point of the cycle,
2. the work done in the cycle
3. the refrigerating effect
4. the COP of the cycle
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a cyclist is traveling at 8ms when she encounters a hill with 2 grade assume the elevation increases by 2 for every 100
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