00:01
Shown here is the triangle form where l is the original length, which has a value of 1 .9 meter, was stated that the initial temperature is 20 degrees celsius and heat up to 110 degrees fahrenheit, and the coefficient of linear expansion is 11 .1 times 10 .10.
00:36
And this negative 6 per degree celsius.
00:39
So we have to first convert the final temperature to fahrenheit, i2 celsius, so from fahrenheit.
00:46
So this is equals to 43 .33 degree celsius.
00:52
Now, as you can see from the figure, question a asked for the value of the height.
01:03
Then by the gorean theorem, we can see that this equation exists.
01:11
Then isolating h to the left side equation since this is what mean, then we have this.
01:21
Then expanding, so we have this, and this cancels out, then h is equals to this.
01:42
So to solve this problem, we have to determine the change in length first, which from the formula of linear expansion is this...