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During a constant pressure process, 10 kg of refrigerant 134a at 4degrees C and 10 bars expand to a volume of 0.1 m^3.
a) Starting with the energy equation Q - W = U2 -U1, show that the heat transfer for this process can be presented as Q = H2 - H1. b) Evaluate work and heat transfer for .this process.
use potential flow theory to determine the lift coefficient of a spinning baseball in terms of the forward velocity v
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estimate the pressure on your hand when you hold it in the stream of air coming from the air hose at a filling station.
the acceleration of a particle traveling along a straight line is a8-2s ms2 where s is in meters. if v0 at s0 determine
in all but a very few vehicles today crush or crumple zones are employed as a method to reduce energy transfer to the
a solid shaft for a power generator is produced from aluminium plus 1 copper alloy. the shaft makes one revolution per
determine the expressions for attractive and repulsive energies, EA and ER as a functions of r where r is in nm and E is in eV.
at standard atmospheric temperature and pressure 25 c and 1 atm how many moles of dry air be present in a room having a
what were the flaws in your experiment? what sort of reproducibility does your experimental procedure yield? 4. how
successive maximum displacements of a spring-mass-dashpot system shown by fig. 19.10 of vector mechanics for engineers
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