Question #667fd

1 Answer
ali ergin
Jun 13, 2017

#"Amount of linear expansion of the building :"3.3*10^(-3)m#

Explanation:

#"The increase in the temperature of the steel building causes its"# #"extension. Amount of expansion is directly proportional to;"#

  • the length of the building.
  • the amount of temperature change.
  • the coefficient of linear expansion of the steel.

#"We can write the equation in the following way."#

#Delta l=L_i*lambda*Delta t#

#"Where ;"#

#Delta l:"amount of linear expansion"#
#l_i:"initial length"#
#Delta t:"change of temperature"#
#lambda:"coefficient of linear expansion"#

#Delta l=15*11*10^(-6)*20#
#Delta l=3300*10^(-6)#
#Delta l=3.3*10^(-3)m#

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