Please show all work and please answer if you know you are c

Please show all work, and please answer if you know you are correct

Given: Rotating shaft, 1 meter long and 30mm in diameter. The material is cold drawn Titainum. Solve: The factor of saftey for N = infinity using the Goodman and Langer equations.

Solution

The answer of the following questions are as follows

The factor of safety N=infinity using Goodman equation is 1.72

The factor of safety N =infinity using Langar equation is 2.59