A granite rock of mass 900 kg is situated on a hill at an elevation of 1000 m. On a sunny day its temperature rises to 95"C Use the St s Part A

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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A granite rock of mass 900 kg is situated on a hill at an elevation of 1000 m. On a sunny day its temperature rises to 95"C Use the SL system state
Part A
Determine the maximum useful work that can be extracted from the rock if the atmospheric temperature is 30"C
Express your answer to three significant figures.
* O a ?
vec
kJ
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Part B
Compare the potential energy (PE) of the rock with its stored exergy ()
16"C Günesli
Express your answer to three significant figures.
Transcribed Image Text:A granite rock of mass 900 kg is situated on a hill at an elevation of 1000 m. On a sunny day its temperature rises to 95"C Use the SL system state Part A Determine the maximum useful work that can be extracted from the rock if the atmospheric temperature is 30"C Express your answer to three significant figures. * O a ? vec kJ Submit Request Answer Part B Compare the potential energy (PE) of the rock with its stored exergy () 16"C Günesli Express your answer to three significant figures.
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