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[" A.A force acts on a "30g" particle in...

[" A.A force acts on a "30g" particle in such a way that the "],[" position of the particle as a function of time is given by "],[x=3t-4t^(2)+t^(3)" ,where "x" is in metres and "t" is in seconds."],[" The work done during the first "4" seconds is "],[[" (a) "5.28J," (b) "450mJ],[" (c) "490mJ," (d) "530mJ]]

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