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Work, Energy & Power: Kinetic Energy MCQ

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Kinetic EnergyMediumQuestion 6015

Question

Two bodies (m and 4m) have equal KE. Their momenta ratio p₁:p₂:
  1. A
    1:4
  2. B
    1:2
    Correct
  3. C
    2:1
  4. D
    4:1

Correct answer

1:2

Explanation

p = √(2mKE). p₁/p₂ = √(m/4m) = 1:2.

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