The assembly shown consists of a bronze rod (1) and an aluminum rod (2), each having a crosssectional area of

0.15in.^(2)

. The assembly is subjected to loads of

P=1,900lb

and

Q=3,200lb

, acting in the directions shown. Determine the horizontal displacement

U_(B)

of coupling

B

with respect to rigid support

A

. Use

L_(1)=160

in.,

L_(2)=40

in.,

E_(1)=16\\\\times 10^(6)

psi, and

E_(2)=10\\\\times 10^(6)

psi.\ Answer:

u_(B)=0.0867in

.