Physics-
General
Easy

Question

The resultant of the three vectors stack O A with rightwards arrow on top comma   stack O B with rightwards arrow on top comma     text and end text   stack O C with rightwards arrow on top shown in figure.

  1. r    
  2. 2r    
  3. r   left parenthesis 1   plus   square root of 2 right parenthesis    
  4. r   left parenthesis square root of 2   minus   1 right parenthesis    

The correct answer is: r   left parenthesis 1   plus   square root of 2 right parenthesis

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