What is the stress and pressure in a thin-walled cylinder?

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Homework Statement

Homework Equations

The Attempt at a Solution

a)
stress_c = 3.1 x 10⁹ (5655*10^(-6) + 0.471 (-2663*10^-6)
= 17.53Mpa
P = [17.53 x 10^6 x (7.7 / 1000) ] / (150 / 1000)
= 899 947pa
= 899.947kPa

 

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