Momentum Posted On April 14, 2015 Tweet Facebook Gmail Linked In Which of the following has more momentum? An 80,000-lb. semi truck travelling at 2 miles per hour, or a 4,000-lb. SUV travelling at 40 miles per hour? Make your selection below: A) The 80,000-lb. truck has more momentum. B) The 4,000-lb. SUV has more momentum. C) They have the same momentum.