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Physics! Question 4! How do I find the coefficient of linear expansion for this metal? THANK YOUU!
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Physics! Question 4! How do I find the coefficient of linear expansion for this metal? THANK YOUU!

Physics! Question 4! How do I find the coefficient of linear expansion for this metal-example-1
User Elkefreed
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2 Answers

3 votes

Answer:

0,007mm/°C

Step-by-step explanation:

had to think for a while but I am quite sure it is that.

Physics! Question 4! How do I find the coefficient of linear expansion for this metal-example-1
User Meaghan Fitzgerald
by
4.2k points
2 votes

Answer:

α = 2.81×10⁻⁵ /°C

Step-by-step explanation:

ΔL = L₀ α ΔT

α = ΔL / (L₀ ΔT)

α = 0.054 cm / (25.000 cm × 77°C)

α = 2.81×10⁻⁵ /°C

User Shatia
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4.6k points
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