" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
∆T=100-0=100°C
lt=200,24 cm
α...?
lt=l0(1+α∆T)
200,24=200(1+α×100)
200,24=200(1+100α)
200,24=200+20000α
200,24-200=20000α
0,24=20000α
α=1,2×10^-5
α=0,000012/°C