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[" 5) A body is hanging from a rigid sup...

[" 5) A body is hanging from a rigid support by an "],[" inextensible string of length "l" .It is struck inelastically "],[" by an identical body of mass "m" with horizontal velocity "],[v=sqrt(2gl)" ,the tension in the string increases just after "],[" striking by "],[[" (a) "mg," (b) "3mg],[" ( "19()2mg," (d) None of these "]]

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