A 25 metric ton train moves toward the south at 70 m/s. At what speed must it travel to have three times its original momentum (to 2 sig figs)?

1. a net force of 100 newton’s is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

What is the momentum of a 2 kg object moving at 15 meters per second

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)