Recent content by thetruth1988

F_steel = (E_steel A/L) ΔL_steel omg! sorry.., I really don't know what to do.. :'( can you help me out with an equation?

Homework Statement A copper rod of 2 meters is joined to a steel rod with length (ls) and with cross sectional area of 1.0cm2 and 2.0cm2 respectively the compound rod is subjected to an equal and opposite force of 3x104N. Find: a) The length of the steel rod if the elongation of the steel...