Test Academy | A person brings a mass of 1 kg from infinity to a point A. Initially the mass was at rest but it moves with a speed of 2 m/s as it reaches A. The work done by the person on the mass is – 3 J. The potential of A is – 3 J/kg, – 2 J/kg, – 5 J/kg,

Question

A person brings a mass of 1 kg from infinity to a point A. Initially the mass was at rest but it moves with a speed of 2 m/s as it reaches A. The work done by the person on the mass is – 3 J. The potential of A is

Options :

– 3 J/kg
– 2 J/kg
– 5 J/kg
– 7 J/kg

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