Question: A closed system interacts with its surroundings and the following data are supplied: Wsh = 10 kW, Wel = 5 kW, Q = -5 kW.

A closed system interacts with its surroundings and the following data are supplied: Wsh = 10 kW, Wel = 5 kW, Q = -5 kW.
(a) If there are no other interactions, determine dE/dt.
(b) Is this system necessarily steady (yes: 1; no: 0)?

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