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Author Question: When 50 g of a certain material at 100C is mixed with 100 g of water at 0C, the final temperature is ... (Read 85 times)

fbq8i

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on: Jul 29, 2018
When 50 g of a certain material at 100C is mixed with 100 g of water at 0C, the final temperature is 40C. What is the specific heat of the material? The specific heat of water is 1.00 kcal/kg  C.
 
  A) 0.33 kcal/kg  C
  B) 0.75 kcal/kg  C
  C) 1.3 kcal/kg  C
  D) 7.5 kcal/kg  C

Question 2

Light of wavelength 687 nm passes through a single slit that is 0.75 mm wide. At what distance from the slit should a screen be placed so that the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the pattern?
 
  A) 1.9 m B) 1.5 m C) 0.93 m D) 1.1 m E) 0.39 m
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mcarey591

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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fbq8i

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


mcarey591

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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