" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L= 10,01287cm
L₀=10cm
α=............?
l
L=L₀ . (1 + α . ΔT)
10,01287=10 (1+ α. 90)
10,01287=10 + 900α
10,01287-10=900α
0,01287=900α
α=0,0000143 /⁰C