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NEET2014PhysicsWork, Power and EnergyActual

If we increase kinetic energy of a body 300 % , then per cent increase in its momentum is

Options

  1. A50 %
  2. B300 %
  3. C100 %
  4. D150 %

Correct answer

C. 100 %

Step-by-step solution

aligned & p^2=2 M E & p E & p₁ p₂ = E₁ E₂ = E E+3 E = 1 2 & aligned aligned p₂ & =2 p₁ % Increase & = p₂-p₁ p₁ 100 aligned 2 p₁-p₁ p₁ 100=100 %

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