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One end of a straight uniform 1m long ba...

One end of a straight uniform 1m long bars pivoted on horizontal table. It is released from rest when it makes an angle `30^(@)` from the horizontal (see figure ) . Velocity of end point of the rod when it hits the table is given as `sqrt( n ) ms^(-1)`,where n is an integer.The value of n is `"_______________"`

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