A student living in a 4 - m 5 - m 3 - m dormitory room turns on her 100 - W fan before she leaves the room on a summer day, hoping that the room will be cooler when she comes back in the evening. Assuming all the windows are tightly closed and disregarding any heat transfer through the walls and the windows, determine the temperature in the room when she comes back 8 h later. Use specific heat values at room temperature, and assume the room to be at 100 kPa and 20 ° C in the morning when she leaves. A student living in a 4-m 5-m 3-m dormitory room turns on her 100-W fan before sheleaves the room on a summer day, hoping that the room will be cooler when she comes backin the evening. Assuming all the doors and windows are tightly closed and disregarding anyheat transfer through the walls and the windows, determine the temperature in the roomwhen she comes back 8 h later. Use specific heat values at room temperature, and assume theroom to be at 100 kPa and 20°C in the morning when she leaves.

Given, V = 4 m × 5 m × 3 m = 60 m3W˙= 100 Wt = 8 h = ( 8 × 3600) sP1 = 100 kPaT1 = 20 °C = 293 K…

Answered: A student living in a 4 - m 5 - m 3 - m…

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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A student living in a 4 - m 5 - m 3 - m dormitory room turns on her 100 - W fan before she leaves the room on a summer day, hoping that the room will be cooler when she comes back in the evening. Assuming all the windows are tightly closed and disregarding any heat transfer through the walls and the windows, determine the temperature in the room when she comes back 8 h later. Use specific heat values at room temperature, and assume the room to be at 100 kPa and 20 ° C in the morning when she leaves.

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