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Two bodies of the same mass are moving with the same speed, but in different directions in a plane. They have a completely inelastic collision and move together thereafter with a final speed which is half of their initial speed. The angle between the initial velocities of the two bodies (in degree) is

0 3 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

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    Answered by

    Vishal Baghel | Contributor-Level 10

    a month ago

    mv? ×cosθ×2=2m (v? /2)
    ⇒ cosθ=1/2 ⇒ θ=60°
    ∴ 2θ=120°

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