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

A person brings a mass of 1 kg from infinity to a point A. Initially t

1.	A person brings a mass of 1 kg from infinity to a point A. Initially the mass was at rest but it moves at a speed of 2 m/s as it reaches A. The work done by the person on the mass is -3J. The potential at A is
Answer» `-3J//kg` `-2 J//kg` `-5J//kg` `-1 J//kg` ANSWER :C