onsider 6.0 kg of austenite containing 0.45 wt% C and cooled to less than 727C (1341F). (a) What is the proeutectoid phase? (b) How many kilograms each of total ferrite and cementite form? (c) How many kilograms each of pearlite and the proeutectoid phase form? (d) Schematically sketch and label the resulting microstructure.

ENGR 232 Dynamic Engineering Systems Lecture 2 Dr. Michael Ryan This Lecture • Two simple models: object with drag, mice and owls – Solution to D.E. Via separation of variables • Separable differential equations – Analytic Solutions – Closed form – Implicit form » Domain of solution » Qualitative solutions » Numerical solutions • Method of Integrating Factors 4/6/2015 ENGR 232 Winter 14-15 Week 2 2 Falling Objects: Increasing Model Complexity • A hailstone has mass m=0.025 kg an2 drag coefficient =0.007 kg/s. g = 9.8 m/sec • Taking motion d