A force acts on a 30 g particle in such a waythat the position of the particle as a function oftime is given by x 3t 4t 2 t 3 , where x is inmetres and t is in seconds The work doneduring the first 4 second is (1) 5 28 J (2) 450 mJ (3) 490 mJ (4) 530 mJ

Question: A force acts on a 30 g particle in such a waythat the position of the particle as a function oftime is given by x

A force acts on a 30 g particle in such a waythat the position of the particle as a function oftime is given by x = 3t – 4t² + t³, where x is inmetres and t is in seconds. The work doneduring the first 4 second is :-
(1) 5.28 J
(2) 450 mJ
(3) 490 mJ
(4) 530 mJ

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