Question: A working substance undergoes a reversible non flow process during which P = (-3V + 100) psia, where V changes from 10 ft 3 /min

  1. A working substance undergoes a reversible non flow process during which P = (-3V + 100) psia, where V changes from 10 ft3/min to 30 ft3/min. The change of internal energy for the process is 100 BTU/min. For a non-flow process, determine a) work (BTU/min) b) heat transferred (BTU/min).
  2. A sphere 4 inches in diameter is made of steel with a specific gravity of 8. Determine its kinetic energy (BTU) if it rolls with a velocity of 10 ft/s.

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