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Pendulum in Non Inertial Frame

A body of mas...

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{ A body of mass }2kg is acted upon by two forces }}{2N and }5N in the direction of }^ i+^ j and }^ j-^ k} respectively. If the body is displaced from }{(3,-2,1) to }(-1,2,3) (Positions are in }m), then }} work done is

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Q. A body is displaced from position

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B

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U_{B} = 30 J

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