Q$1(50$pts$)$ The beam $AB$ shown below is placed between $2$ walls and the temperature is increased by an amount of $T.$ Calculate the support reaction on the wall.

Thermal expansion Coefficient: ${}_{\text{s}\text{t}\text{e}\text{e}\text{l}}=12\frac{{10}^{-6}}{}C,{}_{AI}=23\frac{{10}^{-6}}{{?}^o}C$

The value of L$1$ changes depending on the LAST letter of your NAME. Circle the value you use.

$\backslash$table$[[$Length$,$ABC,$$DE$,$FG$,$HIi,JKL$,$MNO$,$PQR$,$S$$T$,$U$$V$,$WXYZ$],[$L$1($mm$),1300,1200,1100,1000,900,800,700,600,500,400]]$

The value of L$2$ changes depending on the LAST letter of your SUR$-$NAME. Circle the value you use.

$\backslash$table$[[$Length$,$ABC,$$DE$,$FG$,$HII,JKL$,$MNO$,$PQR$,$S$$T$,$U$$V$,$WXYZ$],[$L$2($mm$),400,500,600,700,800,900,1000,1100,1200,1300]]$

The value of L$3$ changes depending on the FIRST letter of your NAME. Circle the value you use.

$\backslash$table$[[$Length$,$ABC,$$DE$,$FG$,$HII,JKL$,$MNO$,$PQR$,$S$$T$,$U$$V$,$WXYZ$],[$L$3($mm$),500,600,700,800,900,1000,900,800,700,600]]$

The value of r $1$ changes depending on the LAST digit of your student ID$.$ Circle the value you use.

$\backslash$table$[[$Radius$,0,1,2,3,4,5,6,7,8,9$