Question: A material has a viscoelastic response that can be modeled by a maxwell model, where spring constant is 50 MPa and the dashpot viscosity is

A material has a viscoelastic response that can be modeled by a maxwell model, where spring constant is 50 MPa and the dashpot viscosity is 600 MPa-s.

(a) Calculate the relaxation time of the material

(b) Is the material is initially stretched to a strain of 0.2, what will be the stress in the material after six seconds

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