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Two block of A and B of mass 1kg and 2kg...

Two block of A and B of mass 1kg and 2kg are hung from light pulley. Initially the block B is held stationary. At `t=0` block B is given velocity 10m//s in upward direction. String and pulley are light and there is no friction anywhere.

Velocity of block 'B' as block 'A' has acended by distance 5m from its original position

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