physics
bar subjected to gravity load (two segments)
the bar in the fig has constant cross sectional area A .the top half of the bar is made of material with mass density and youngs module, the bottom half of the bar made of density and young module total length of bar is 2 when bar is hung with ceiling it stretches its own weight no other loads are applied neglect gravity load on the top half of the bar

You have not provided nor adquately described the Figure.
You have not capitalized the first words of sentences.
You have not provided values or symbols for Young's modulus and density.
I don't understand what you mean by "it stretches its own weight".
You need to take more care copying your problems in a format that makes sense. Showing ome of your own wirk would also be a good idea.posted by drwls
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