Center of mass of two thin uniform rods of same length but made up of different materials. & kept as shown, can be, if the meeting point is the origin of co-ordinated

Options

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

Answer

D

Explanation

`because` CM of system line on `L`,
`L_(1)(y-(L)/(2))=((-L//2)/(L//2))(x-0)`
`y=-x+(L)/(2)`
`because((L)/(3),(L)/(6))`