1.

The long time deflections are expressed as __________

A. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>) (1+ )
B. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)
C. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)
D. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)
Answer» B. a<sub>f</sub> = (a<sub>il</sub>-a<sub>ip</sub>xp<sub>t</sub>/p<sub>i</sub>)


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