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Work Done When Force Is Varying

The position ...

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The position }x of a particle moving along }x -axis at }{ time }(t) is given by the equation }t=\sqrt x+2 , where }}x is metres and }t in seconds. Find the work } done by the force in first four seconds. } (1) Zero } (2) }2J (3) }4J (4) }8J

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Work Done When Force Is Varying

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