A rigid chamber contains 100 kg of water at 500 kPa, 100°C. A paddle wheel stirs the water at 1025 rpm with a torque of 145 N-m while an internal electrical resistance heater heats the water, consuming 8.5 amps of current at 110 Volts. Because of thin insulation, the chamber loses heat to the surroundings at 27°C at a rate of 1.10 kW . Determine the rate at which the stored energy of the system changes. Express your answer to five significant figures. VO AE It vec ? dE dt kW

A rigid chamber contains 100 kg of water at 500 kPa, 100°C. A paddle wheel stirs the water at 1025 rpm with a torque of 145 N-m while an internal electrical resistance heater heats the water, consuming 8.5 amps of current at 110 Volts. Because of thin insulation, the chamber loses heat to the surroundings at 27°C at a rate of 1.10 kW . Determine the rate at which the stored energy of the system changes. Express your answer to five significant figures. VO AE It vec ? dE dt kW

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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