A steel rod of cross sectional area equal to $1000 m m^{2}$ is 5 m long. If a pull of 100 kN is suddenly applied to it, then the maximum stess intensity will be

- 1
  
  $50 N / m m^{2}$
- 2
  
  $100 N / m m^{2}$
- 3
  
  $200 N / m m^{2}$
- 4
  
  $400 N / m m^{2}$

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