A force f =x^+3x-5 N acts on a 5 kg body along x axis as a result of which the body gets displaced from x=0tox=3m the work done bye the force will be
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F=x^2+3x-5N
=[x^3/3]0 to 3 +[3x^2/2] 0to 3 - [5x] 0 to 3
=9+27/2-15
=7.5J
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