PHYS 114 Midterm: 114 Practice Exam Problems
Document Summary
Notes on providing explanations in exams: whenever possible, always provide the definition of what you are asked to answer. You can write down the definition using the relevant formula. They can be found in the equation sheet: in your explanation, there should be a flow in the logic that allows you to arrive at the answer. The flow in the logic usually goes like this: definition / relevant physics laws / relevant physics principles, discussion of the quantities stated in the definition, how it leads to the final answer. 114 practice exam problems before and just after they collide: two carts roll toward each other on a level table. The vectors represent the velocities of the carts just v. After: draw and label a vector for each cart to represent the change in velocity from before to after the collision. Make the magnitude and direction of your vectors consistent with the vectors drawn above.
