Question

A weightless rod ABC is movable about the end A which
is fixed , carries two particles of the same mass , one fastened at the middle
point B
and the other to the and c. The rod be held horizontal and then
let go.
what is the angular relocity of the rod when it becomes vertical
and show that 5a/3 is the length of the simple equivalent pendulum.
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Answer 1

Answer:

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