Author Question: An 8 000-kg aluminum flagpole 100-m high is heated by the sun from a temperature of 10C to 20C. Find ... (Read 236 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
An 8 000-kg aluminum flagpole 100-m high is heated by the sun from a temperature of 10C to 20C. Find the increase in internal energy (in J) of the aluminum. (The coefficient of linear expansion is 24  10-6 (C)-1, the density is 2.7  103 kg/m3, and the specific heat of aluminum is 0.215 cal/gC.)
 a. 7.2  105
  b. 7.2  107
  c. 7.2  103
  d. 7.2  101
  e. 7.2  102

Question 2

An 8 000-kg aluminum flagpole 100-m long is heated by the sun from a temperature of 10C to 20C. Find the heat transferred (in J) to the aluminum if the specific heat of aluminum is 0.215 cal/gC.
 a. 7.2  105
  b. 7.2  107
  c. 7.2  103
  d. 7.2  101
  e. 7.2  102



Bigfoot1984

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

For a complete list of videos, visit our video library