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[" (b) A position dependent force "F=7-2...

[" (b) A position dependent force "F=7-2x+3x^(2)" newton acts on a small body of mass "2kg" and "],[" displaces it from "x=0" to "x=5m" .The initial velocity of the particle was "10m/s" .Then find "],[" (i) The work done in joules "],[" (ii) Final speed of the particle."]

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