An object of mass m, travelling at speed v, collides with a stationary object of mass m2. If the two objects stick together, which equation correctly calculates v2, their speed after the collision? Select one: O V2=Vim2/(m,+m2) O V2=V1(m1+m2)/m1 O V2=vim1/(m1+m2) O V2=V1(m]+m2)/m2