1. An 1800-kg truck moves to the south with a velocity of 9 m/s. 2. A 50-kg student has 100 kg•m/s of momentum to the west. How fast (in m/s) are they moving to the west?
3. A truck has a momentum of 5,000 units. What happens to the truck's momentum if the mass is cut in half?

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

You notice the birds sitting on the electrical wires which of the following explain why the birds don't get shocked