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[" 23.A force acts on a "2" kg object so...

[" 23.A force acts on a "2" kg object so that its position is given as "],[" a function of time as "x=3t^(2)+5" .What is the work done by "],[" this force in first "5" seconds? "],[[" (1) "850J," (2) "900J],[" (3) "950J," (4) "875J]]

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