Momentum and CollisionHard

Question

Centre of mass of two uniform rods  of same length but made up made of different materials  & kept as shown,if the meeting point is the origin of co - ordinates

Options

A.(L/2, L/2)
B.(2L/3, L/2)
C.(L/3, L/3)
D.(L/3., L/6)

Solution

Equation of line joining the CM of two rods
                   = 1
Coordinate satisfies this equation.

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