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 velocities of the two bodies (in degree) is -

Question

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 velocities of the two bodies (in degree) is -,

MARKS App · Accepted Answer

Momentum conservation along x direction 2 m v cos θ = ( 2 m ) v 2 cos θ = 1 2 θ = 60 ° then angle between their initial velocities = 120 °

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