00:01
In this problem, we're going to use the principle of volumetric thermal expansion, which takes this form, this equation, dot the v is equal to beta times v0 times dot t, where beta is called the volumetric thermal expansion coefficient.
00:19
So it is the analogous of the coefficient alpha in linear thermal expansion.
00:26
So, and as usual, v0 is the initial volume, and wt is the changing temperature.
00:38
So in this problem, we have t1.
00:41
The initial temperature is negative 15 degrees celsius.
00:45
T2, the final temperature is equal to 35 degrees celsius.
00:50
And the material aluminum has beta equal to 7 .2.
00:57
Times 10 to the negative fifth inverse kelvin.
01:02
And we also know that the initial diameter, so i will call this thing the diameter.
01:13
Diameter 1 is equal to 55 meter...