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[" (a) "],[" 2.18A force acts on a "3" g...

[" (a) "],[" 2.18A force acts on a "3" g particle in such a way that position of particle "],[x=3t-4t^(2)+t^(3)," where "x" is in metre and "t" is in sec.The work done during first "4s" is "],[" (d) "528m" ] "],[" (b) "450mJquad " (c) "490mJ]

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