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[" 19.A force of "(4x^(2)+3x)" N acts on...

[" 19.A force of "(4x^(2)+3x)" N acts on a particle "],[" which displaces it from "x=2m" to "x=3m" .The "],[" work done by the force is "],[[" (1) "3,81," 2) "38,5/3,328" J "4" ) Zero "]]

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