Aluminum rod with original length I0 is strained. The length of the rod at any instant is given by L(t) = L0(1 + t2), where t is in minutes. The true strain rate at the end of 3 minutes will be:
1
9
2
0.9
3
0.6
4
6
Aluminum rod with original length I0 is strained. The length of the rod at any instant is given by L(t) = L0(1 + t2), where t is in minutes. The true strain rate at the end of 3 minutes will be: