Hello, I'm having trouble with this question that I've attached down below.

Problem #2: Determine the strain response (t) for the Voigt model in response to a stress function (where a is a constant): a(t)=at, t 20 For E = 100 kPa and n = 500 kPa-s, plot the strain responses for a = 1 kPa s-1 and a = 2 kPa s'1 from 0 to 10 5. Then plot the stress vs. strain plots for each value of a