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## Homework Statement

If a metal is adhered to a surface of another metal, let's say copper is plated onto aluminum, how can the elastic modulus of copper can be extracted given only the data of the

**thickness of the copper and aluminum**, the

**young's modulus of the combined metal**and the

**modulus of the copper.**

## Homework Equations

Young's modulus equation is the only thing i can think of which is E = Stress/Strain

## The Attempt at a Solution

Tried to plug in the values by breaking down the stress into F/A = (F/L*W) in which W is the thickness of copper and aluminum but the moduli left untouched.