Question: The system was originally at rest. Spring was originally at free length. Then ' A ' block is released. Find the velocity of A (

The system was originally at rest. Spring was originally at free length. Then 'A' block is released. Find the velocity of A(VA) when block A has fallen 3 ft .(Solve Using Work Energy Method)(k=radius of gyration).
(12 marks)
The system was originally at rest. Spring was

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