PHYSIC 181- Midterm Exam Guide - Comprehensive Notes for the exam ( 143 pages long!)

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University of Massachusetts - Boston
Yelleswarapu Chandra

[PHYSIC 181] Comprehensive Fall guide including any lecture notes, textbook notes and exam guides.find more resources at Physics 181 – Spring 2016 – Two-Dimensional Momentum 1 Conservation of Two-Dimensional Momentum Introduction This experiment will analyze a collision of two pucks on an air track. As with the Ballistic Pendulum, our main goal is to see if momentum is conserved before and after a collision. Is momentum before, ��� ▯ the same as the momentum after, ��▯ ? However, the previous experiment provided an inelastic collision and considered one-dimensional momentum, and this experiment will provide an elastic collision and will consider two-dimensional momentum. Thus we have a valuable second goal. We will need to be able to handle two-dimensional vector arithmetic. Theory Vectors Many physical quantities can be described with just a number often treating as being independent of any particular spatial orientation; these are called a scalars. Scalars are represented mathematically with plain, not bolded characters. Scalars do not have any special diagraming standards outside of usually just planting a character representing a scalar in a spot convenient for identification purposes. Such as an object having mass ���, a reaction lasting time ���, or a room having temperature ���. Other quantities are described with numbers that depend on some sense of spatial direction; these are called vectors. Vectors are often represented mathematically as bold characters, like vector ���, or as characters with arrows on top of them, like vector ���. Vectors are represented as arrows in diagrams. find more resources at
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