In$-$Clase Prohlem #$7$

$E=29,000$ksi

$I_{AB}=200i{n}^4$

$I_{BC}=500i{n}^4$

Determine the vertical displacement at $B.$

a$.0\mathrm{.}356$ inches darr

b$.0\mathrm{.}472$ inches darr

c$.0\mathrm{.}315$ inches darr

d$.0\mathrm{.}293$ inches darr

e$.$ None of the above

Determine the minimum $I_{AB}$ to limit the vertical displacement at $B$ to $0\mathrm{.}25$ inches. $.)$

a$.316$ in ${?}^4$

b$.348i{n}^4$

c$.288i{n}^4$

d$.262i{n}^4$

e$.$ None of the above