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Author Question: The coefficient of linear expansion of aluminum is 24.0 10-6 K-1, and the density of aluminum at 0C ... (Read 43 times)

DyllonKazuo

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The coefficient of linear expansion of aluminum is 24.0  10-6 K-1, and the density of aluminum at 0C is 2.70  103 kg/m3. What is the density of aluminum at 300C?
 
  A) 3.93  103 kg/m3
  B) 2.73  103 kg/m3
  C) 2.70  103 kg/m3
  D) 2.67  103 kg/m3
  E) 2.64  103 kg/m3

Question 2

What is the intensity of a 70-dB sound? The threshold of human hearing is 1.0  10-12 W/m2.
 
  A) 10-4 W/m2
  B) 10-5 W/m2
  C) 10-6 W/m2
  D) 10-7 W/m2


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Loise Hard

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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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DyllonKazuo

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Reply 2 on: Jul 29, 2018
:D TYSM


CAPTAINAMERICA

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Reply 3 on: Yesterday
Excellent

 

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