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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 169 times)

armygirl

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on: Jul 27, 2018
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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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


armygirl

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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