5. What is the difference between the glass transition temperature (Tg) and the melting point (Tm) ? 6. What is the difference between Maxwell's and Voigt's models? Problem 3: (25) You are hired by BASF as a polymer engineer. On the first day, your hiring manager assigned you to determine the followings of some of the clients samples. (i) Are the samples made by polymeric materials? (ii) Are the samples strong enough to be used in automobile industry? Write all the parameters you will test for these samples and why you think this test is essential to check