Question: 3] A closed system undergoes a process during which there is heat transfer to the system at a constant rate of 3 W and the

3] A closed system undergoes a process during which there is heat transfer to the system at a constant rate of 3 W and the power kW developed by the system varies with time according to: +24r kw. 0 1 hour Assuming that the there is no change in the potential or kinetic energy of the system as a whole; a) What is the time rate change of system internal energy at t=0.6 hours in kW? b] Determine the change in system internal energy after 2 hours

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