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20/09/2020 2:22 pm
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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 velocities of the two bodies (in degree) is
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20/09/2020 2:25 pm
Momentum conservation along x direction
2mv cosθ = (2m) v/2
cosθ = 1/2
cosθ = 60°
then angle between their initial velocities = 120°