# Week1a - FIRST YEAR PHYSICS FIRST PHYS141 LECTURER Dr Carey...

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FIRST YEAR PHYSICS FIRST YEAR PHYSICS PHYS141 LECTURER: Dr. Carey Freeth Rm 4.110 Ph. 02 42214798 Email: [email protected] Physics The Science of Measurement and Theory Physics attempts to describe the fundamental nature of the universe and gives us an understanding of the world around us. Physics is an experimental science and connects experimental observations to theoretical descriptions of nature. This connection is made from quantitative measurements and a through understanding of physical theories and is dependent on knowing how the measurements are made and how accurate and reliable the measured information is.

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Reading Assignment Week 1. Young & Freedman 12th Edition SYSTEMS OF MEASUREMENTS 1.1 The nature of Physics 1.2 Solving Physics Problems 1.3 Standards & Units 1.4 Unit Consistency and Conversions 1.5 Uncertainty and Signiﬁcant Figures 1.6 Estimates and Order of Magnitudes The study of motion lays the foundation for an analysis and understanding of most branches of Physics and is fundamental to Engineering and Science. Because of its importance it is usual for motion and mechanics to be the ﬁrst subject covered in any elementary course in physics.
Motion Motion To describe the motion of a body or particle we make observations of: POSITION (distance from some reference point) TIME (of observation) and use the concepts of displacement, velocity, and acceleration . Consider 1-D motion t = 0 1 2 3 4 5 6 7 8 9 10 Santa Claus (x t ) 0 0 t = t 1 2 3 4 5 6 7 8 9 10 Santa Claus (x t ) 1 1 1 The Observations of Position and Time: At time t = t 0

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## This note was uploaded on 08/20/2010 for the course PHYS 141 taught by Professor Xxx during the One '09 term at University of Wollongong, Australia.

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Week1a - FIRST YEAR PHYSICS FIRST PHYS141 LECTURER Dr Carey...

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