Material has tensile strength 40 MPa and fracture strain 0.39. What will be approximate value of toughness?

Material has tensile strength 40 MPa and fracture strain 0.39. What wi

1.	Material has tensile strength 40 MPa and fracture strain 0.39. What will be approximate value of toughness?
A.	10.2 MJ/m<sup>3</sup>
B.	15.6 MJ/m<sup>3</sup>
C.	16.7 MJ/m<sup>3</sup>
D.	18.9 MJ/m<sup>3</sup>
Answer» C. 16.7 MJ/m<sup>3</sup>