Physics-
General
Easy

Question

Consider the situation shown in the figure. Initially the spring is unstreched when the system is released from rest. Assuming no friction in the pulley, the maximum elongation of the spring is

  1. fraction numerator m g over denominator k end fraction    
  2. fraction numerator 2 m g over denominator k end fraction    
  3. fraction numerator 3 m g over denominator k end fraction    
  4. fraction numerator 4 m g over denominator k end fraction    

The correct answer is: fraction numerator 2 m g over denominator k end fraction

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