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Author Question: If 150 kcal of thermal energy raises the temperature of 2.0 kg of a material by 400 F, what is the ... (Read 50 times)

rosent76

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If 150 kcal of thermal energy raises the temperature of 2.0 kg of a material by 400 F, what is the specific heat capacity of the material?
 
  A) 1.35 kcal/kg  C
  B) 0.75 kcal/kg  C
  C) 0.34 kcal/kg  C
  D) 0.19 kcal/kg  C

Question 2

When the current through a resistor is increased by a factor of 4, the power dissipated by the resistor
 
  A) decreases by a factor of 4.
  B) decreases by a factor of 16.
  C) increases by a factor of 16.
  D) increases by a factor of 4.
  E) increases by a factor of 2.



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jliusyl

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Answer to Question 1

C

Answer to Question 2

C




rosent76

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


xoxo123

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Reply 3 on: Yesterday
Excellent

 

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