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Author Question: If 40 kcal of heat is added to 2.0 kg of water, what is the resulting temperature change? A) 80C ... (Read 179 times)

armygirl

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If 40 kcal of heat is added to 2.0 kg of water, what is the resulting temperature change?
 
  A) 80C
  B) 60C
  C) 40C
  D) 20C
  E) 0.05C

Question 2

A 55-cm brass rod has a diameter of 30 cm. The compressive strength of steel is 250  106 N/m2. What is the compression force that would break the rod?
 
  A) 1.8  107 N
  B) 2.4  107 N
  C) 1.4  108 N
  D) 2.4  108 N
  E) 4.5  108 N



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wfdfwc23

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Answer to Question 1

D

Answer to Question 2

A




armygirl

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Reply 2 on: Jul 27, 2018
:D TYSM


parshano

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Reply 3 on: Yesterday
Gracias!

 

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