5. Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of 6m/s and 8m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be:
(A) 2m/s
(B) 3.4m/s
(C) 4.6m/s
(D) 7.1m/s
(A) 2m/s
(B) 3.4m/s
(C) 4.6m/s
(D) 7.1m/s