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The given formula is:

\[
\varepsilon_{r, \text{adm}} = \left(0.856V_b + 1.08\right) E^{-0.36} \left(\frac{N}{K}\right)^{-0.20}
\]

Given values:
- \( V_b = 10\% = 0.10 \)
- \( E = \frac{1961}{10000} = 0.1961 \)
- \( K = 8.2 \)

We need to replace these values into the formula. However, the formula also requires the value of \( N \). Since \( N \) was not provided, we can either express the result in terms of \( N \), or you can provide the value for \( N \). 

Would you like to provide the value for \( N \), or should I proceed with the calculation in terms of \( N \)?

Learn how to calculate permissible stress in materials using the formula \( \varepsilon_{r, \text{adm}} = \left(0.856V_b + 1.08\right) E^{-0.36} \left(\frac{N}{K}\right)^{-0.20} \). Given values: Vb = 10%, E = 0.1961, K = 8.2. Understand the principles of materials science and engineering mechanics applied to this calculation.

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