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MHT CET20249 May 2024Morning ShiftPhysicsOscillationsActual

The potential energy of 'a long spring when it is stretched by 3 cm is ' U '. If the spring is stretched by 9 cm , potential energy stored in it will be

Options

  1. A3 U
  2. B4 U
  3. C5 U
  4. D9 U

Correct answer

D. 9 U

Step-by-step solution

P.E. stored in spring is, U = 1 2 kx ^2 array ll & U^ U = ( x₂ x₁ )^2= ( 9 3 )^2=(3)^2=9 & U^ =9 U array

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