Question

16 pts #4) A thermal-mechanical device operates with a constant heat transfer rate of 100 kJ/s and given Variable power output for an elapsed time of 200 seconds. 2 pts)

The time rate of change of system energy at t=0 is dE/dt(t=0) = _______KJ/s 2 pts) The change in system energy over the 200 seconds, E(t=200) - E(t=0) = _________KJ/s

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