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[" A body of mass "2kg" is placed on a h...

[" A body of mass "2kg" is placed on a horizontal fictionless suffee it is conneted to one end of a "],[" whose ffrme constant is "20N/m" .Tho other ren of the body is joined with the wall A particle "],[0.15kg" moving thorizontally with speed v.sticks to the body after collision.If itcompressess the "],[" by "10cm" ,the velocity of the particle is- "],[qquad (1)/(2)-(2)/(1)cos((pi)/(10))(1)/((pi))]

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