The track curves on the Transnet railway line between Belfast and Steelport in the Limpopo province are heavily corrugated. Explain how you would use FEM to determine the following parameters: i) Total corrugation frequency. ii) Lateral vibrations. iii) Fatigue stresses on the rails.

I asked for problems 6 and 7 to be answered, but I did not get a properly structured answered as the example shows on problem number 1. Here is the link to the questions I already had answered, could you please rewrite the answer so its properly answered as the example shows (Problem 1)?   https://www.bartleby.com/questions-and-answers/it-vivch-print-reading-for-industry-228-class-date-name-review-activity-112-for-each-local-note-or-c/cadc3f7b-2c2f-4471-842b-5a84bf505857

follow up question - for the past two question. (subquestions)

Please provide more details for question b and c.  thank you

What the ? I paid for you guys to help me with the homework? Nobody read the questions, just copy the answer from somewhere that not related to anything in my questions ? Please do the work please? Please don't give me this tutor again? Thank you for other tutor that will do the work.

Can some one please help to solve this question following the directions and showing neat work and formulas. PLEASE AND THANK YOU!!!