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Author Question: A hole in a brass plate has a diameter of 1.200 cm at 20C. What is the diameter of the hole when the ... (Read 38 times)

haleyc112

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A hole in a brass plate has a diameter of 1.200 cm at 20C. What is the diameter of the hole when the plate is heated to 220C? The coefficient of linear thermal expansion for brass is 19  10-6 K-1.
 
  A) 1.195 cm B) 1.200 cm C) 1.205 cm D) 1.210 cm

Question 2

A 30-year-old astronaut goes off on a long-term mission in a spacecraft that travels at speeds close to that of light.
 
  The mission lasts exactly 20 years as measured on Earth. Biologically speaking, at the end of the mission, the astronaut's age would be
  A) exactly 50 years.
  B) exactly 25 years.
  C) less than 50 years.
  D) more than 50 years.
  E) exactly 30 years.


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stillxalice

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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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haleyc112

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


xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

 

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