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KCET2012PhysicsCenter of Mass, Momentum and Collision

Two bodies of masses m₁ and m₂ are acted upon by a constant force F for a time t. They start from rest and acquire kinetic energies, E ₁ and E ₂ respectively. Then E₁ E₂ is

Options

  1. Am₁ m₂ m₁+m₂
  2. Bm₁ m₂
  3. Cm₂ m₁
  4. D1

Correct answer

C. m₂ m₁

Step-by-step solution

Momentum acquired by the bodies p ₁= p ₂= Ft Now, their kinetic energies array ll and & E ₁= p ₁² 2 ~m ₁ and & E ₂= p ₂² 2 ~m ₂ & E ₁= m ₂ ~m ₁ array

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