8.14 A fatigue test was conducted in which the mean stress was 50 MPa (7250
psi) and the stress amplitude was 225 MPa (32,625 psi).
(a) Compute the maximum and minimum stress levels.
(b) Compute the stress ratio.
(c) Compute the magnitu
E45: Properties of Materials
Instructor: Lane W. Martin
Answer the following questions and provide as many details and as much work as possible to
assure partial credit. Recall that homeworks may be completed in groups of two student
Film R1B: Seeing Photographically
Final Paper Prompts