1. At time t= 0 a 2-kg particle has a velocity in m/s of (4 m/s)i - (3 m/s) j.proportional to vt At (2 m/s) +(3 m/s)j. During this time the work done on it was: t= 3 s its velocity is A) 4J B)-4J C) -12 J D) -40 J E) (4 J)+(36 J)proportional to 1/Nt