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 2m/s as it reaches
a. the work done by the person on the mass is 3j. the potential at a is: (a) 3j/kg (b) 2j/kg (c) 5j/kg (d) none of these
Answers
Answered by
10
Answer:- -5 j/kg
Explanation:
Attachments:
Similar questions