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an object of mass 2 kg is moved from infinity to point p . initially that object was at rest but on reaching p its its speed is 2m/s.the work done in moving that object is -4J.Then potential at p is
Change in Potential energy = – Work doneU = – WU = – ( – 4) J = 4 JPotential = Potential energy / Mass = U/m = 4 / 2 J/kg = 2 J/kgTherefore answer to this question is 2 J/kg
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