Problem $9\mathrm{.}30$:

a$.$ Given $=1\mathrm{.}2in.$ and $L=100ft,$ calculate $.$

b$.$ Given $=0\mathrm{.}5ft$ and $lon=0\mathrm{.}00030,$ calculate $L.$

c$.$ Given $L=1000$ in$.$ and $lon=0\mathrm{.}00042,$ calculate $.$

Problem $9.33$: Compute the total elongation of a steel bar, originally $25$ in $.$ long, if the induced tensile

stress is $15,000.$

Problem $9.42$: Compute the magnitude of the tensile load that would produce a strain of $0\mathrm{.}0007$ in a $26-$

mm $-$diameter steel rod.