a 3 kg model train going right at 2.8 m/s bumps into another 2 kg model train car moving in the same direction at 1.6 m/s. the heavier train car has a final speed of 2.2 m/s to the right. find the final speed of the lighter train car. state the law of conservation of momentum.

Keep your choice of a major there is probably no single correct choice. a ) to yourself. b) in perspective. c) based solely on the expectations of others. d) all of the answer choices are correct.

Which of the following would be considered a nec code violation in regards to the installation of luminaires? a. an outdoor lighting fixture mounted to a tree b. a five-pound, 12-inch diameter light fixture supported by the screw shell of the lampholder c. florescent lay-in fixtures attached to the framing sections of a suspended ceiling with sheet-metal screws d. track lighting over a sink, 2 feet from a bathtub

Which of the following is a characteristic of the coverdell education savings account