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Manipal MET2017PhysicsCenter of Mass, Momentum and Collision

The linear momentum is increased by 50 % , the kinetic energy will increase by

Options

  1. A50 %
  2. B100%
  3. C125%
  4. D25%

Correct answer

C. 125%

Step-by-step solution

Let p₁=p, p₂=p₁+50 % of p₁=p₁+ p₁ 2 = 3 p₁ 2 E p^2 E₂ E₁ = ( p₂ p₁ )^2= ( 3 p₁ / 2 p₁ )^2= 9 4 E₂=2.25 E₁=E₁+1.25 E₁i e , kinetic energy will increase by 125 %

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