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[" A particle of mass "m" ,initially at ...

[" A particle of mass "m" ,initially at rest,is acted on "],[" by a force "F=F_(0){1-((2t-T)/(T))^(2)}" during the "],[" interval "0<=t<=T" .The velocity of the particle at "],[" the end of the interval is : "],[[" (A) "(5F_(0)T)/(6m),(4F_(0)T)/(3m)],[" (B) ",(2F_(0)T)/(3m)],[" (D) "(3F_(0)T)/(2m)]]

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