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As shown in figure, two pulses in a string having center to center distance of 8 cm are travelling abng mutually opposite direction. If the speed of both the pulse is 2 text end text c m divided by s, then after 2s, the energy of these pulses will be…………

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  1. totally potential energy    
  2. totally kinetic energy    
  3. zero]    
  4. Partially potential energy and partially kinetic energy.    

    Answer:The correct answer is: totally kinetic energy

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