copper faucet forum

A 2.8 m length of copper pipe extends directly from a hot-water heater. Physics help!

Shy-Shy or Shy , Wednesday, 11th of August 2010 04:28:58 AM

If the faucet is not fixed in place, how much will it rise when the pipe is 
Shy-Shy or Shy
heated from 20.0°C to 88.8°C. The coefficient of linear expansion for 
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copper is 16 10-6 K-1. Ignore any increase in the size of the faucet 
Joined: Saturday, 12th of June 2010, 01:54:02
itself or of the water heater.
 
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Curtro , Thursday, 12th of August 2010 05:38:42 AM

The change in length due to thermal expansion is =  
Curtro
alpha*L0*deltaT = 16x10^-6*2.8m*68.8 = 0.00308m  
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= 3.08mm  
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