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23 Nov 2019
An aluminum rod is 40.0 cm long and a steel rod is 30.0 cm longwhen both rods are at a temperature of 15. Both rods have the samediameter. The rods are joined end-to-end to form a rod 60.0 cmlong. The coefficients of linear expansion of aluminum and steelare 2.4 x 10-5 K-1 and 1.2 x 10-5 K-1, respectively. Thetemperature is raised to 110. The increase in the length of thejoined rod, in mm, is closest to:
a)1.1
b).88
c)1.4
d)1.0
e)1.3
An aluminum rod is 40.0 cm long and a steel rod is 30.0 cm longwhen both rods are at a temperature of 15. Both rods have the samediameter. The rods are joined end-to-end to form a rod 60.0 cmlong. The coefficients of linear expansion of aluminum and steelare 2.4 x 10-5 K-1 and 1.2 x 10-5 K-1, respectively. Thetemperature is raised to 110. The increase in the length of thejoined rod, in mm, is closest to:
a)1.1
b).88
c)1.4
d)1.0
e)1.3
27 Jun 2023
Trinidad TremblayLv2
29 May 2019
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