Asked by chris
The coefficient of linear expansion for a silver
strip is 1.9 × 10−5
/
◦C.
What is its length on a hot day when the
temperature is 32◦C if the strip is 1.4 m long
when it is −15◦C?
Answer in units of m Your answer must be
within ± 1.0%
strip is 1.9 × 10−5
/
◦C.
What is its length on a hot day when the
temperature is 32◦C if the strip is 1.4 m long
when it is −15◦C?
Answer in units of m Your answer must be
within ± 1.0%
Answers
Answered by
Henry
L = Lo + a*(T-To)Lo
L = 1.4 + 1.95*10^-5(32-(-15))1.4 =
1.401283 m.
L = 1.4 + 1.95*10^-5(32-(-15))1.4 =
1.401283 m.
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