Physics, asked by Jessej4673, 1 year ago

What is the length of an aluminum rod at 65°C if its length at 15°C is 1.2 meters?

Answers

Answered by love1244
0

The length is =1.20144m

=

1.20144

m

Explanation:

The coefficient of linear expansion of aluminium is

alpha=24*10^-6 (ºC)^-1

Therefore

DeltaL=alphaLDeltaT

=24*10^-6*1.2*(65-15)

=1440*10^-6m

=1.44*10^-3

The length is

L+DeltaL=1.2+0.00144=

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