Doubt from mechanics

take component of velocities along rod and equate them

Opt C and D kese kare?

For D take height of point B as y then find com in terms of y and then differentiate and substitute dy/dt=4

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And bro for C just vector sum of the end points may give you the ans

Ignore this#5 bro .. now i got it you can do C by using IAOR
I hope you have understood, If you want detailed solution be free to ask

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Thanks :blush: