An 8 000-kg aluminum flagpole 100-m long is heated by the sun from a temperature of 10°C to 20°C. Find the work done in Joules by the aluminum if the linear expansion coefficient is 24 x 10-6°C)-1. (The density of aluminum is 2.7 x103 kg/m3)
An 8 000-kg aluminum flagpole 100-m long is heated by the sun from a temperature of 10°C to 20°C. Find the work done in Joules by the aluminum if the linear expansion coefficient is 24 x 10-6°C)-1. (The density of aluminum is 2.7 x103 kg/m3)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![An 8 000-kg aluminum flagpole 100-m long is heated by the sun from a
temperature of 10°C to 20°C. Find the work done in Joules by the aluminum if
the linear expansion coefficient is 24 x 10-6 (°C)-1. (The density of aluminum is
2.7 x103 kg/m³)
Select one:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22499db0-d22f-4756-b954-120799dc3fe6%2Fea534be3-c3da-4ee3-97aa-d71fc2daad87%2Fldlte8t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An 8 000-kg aluminum flagpole 100-m long is heated by the sun from a
temperature of 10°C to 20°C. Find the work done in Joules by the aluminum if
the linear expansion coefficient is 24 x 10-6 (°C)-1. (The density of aluminum is
2.7 x103 kg/m³)
Select one:
![An 800-MW electric power plant has an efficiency of 30%. It loses its waste heat
in large cooling towers. Approximately how much waste heat (in MJ) is
discharged to the atmosphere per second?
Select one:
O a. 1 900
O b. 560
O c. 240
O d. 1 200
O e. 800](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22499db0-d22f-4756-b954-120799dc3fe6%2Fea534be3-c3da-4ee3-97aa-d71fc2daad87%2F33gjglb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An 800-MW electric power plant has an efficiency of 30%. It loses its waste heat
in large cooling towers. Approximately how much waste heat (in MJ) is
discharged to the atmosphere per second?
Select one:
O a. 1 900
O b. 560
O c. 240
O d. 1 200
O e. 800
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