anonymous
  • anonymous
A steel rivet 1.871cm in diameter is to be placed in a hole 1.869cm in diameter. To what temperature must the rivet be cooled if it is to fit in the hole(at 20 degrees celcius)
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
help :)
anonymous
  • anonymous
What is the linear coefficient of thermal expansion for steel?
anonymous
  • anonymous
10.5 x 10 to the -6

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anonymous
  • anonymous
|dw:1327638523463:dw|
anonymous
  • anonymous
\[{\Delta L \over L_i} = \alpha_L \Delta T\]where L will be the radius.
anonymous
  • anonymous
can you show the work plz and what you pluged in cuz i got a test tommorow
anonymous
  • anonymous
\[{(1.869 - 1.871) \over 1.871} = \alpha (T_f - 20)\]
anonymous
  • anonymous
whats the alpha
anonymous
  • anonymous
linear coefficient of thermal expansion
anonymous
  • anonymous
Make sure it has units of m/C. If not, you need to convert the temperature to Kelvin.
anonymous
  • anonymous
oh ok thank you so much man, you dont mind if you help me out with some more problems
anonymous
  • anonymous
how?
anonymous
  • anonymous
Not at all. Post them.

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