hectorcal4247 hectorcal4247 29-02-2024 Physics contestada A person A of 50 kg rests on a swing of length 1 m making an angle 37° with the vertical. Another person B pushes him to swing on other side at 53° with vertical. The work done by person B: [g=10 m/s²] A. 50 JB. 9.8 JC. 100 JD. 10 J