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Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
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If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.
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A bungee cord stretches 25 meters and has a spring constant of 140 N/m. How much energy is stored in...
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