Week one notes
Week one notes phys 1441
Popular in Physics 1
verified elite notetaker
Popular in Physics 2
This 2 page Class Notes was uploaded by Clarissa Osagie on Tuesday September 8, 2015. The Class Notes belongs to phys 1441 at University of Texas at Arlington taught by N/a in Summer 2015. Since its upload, it has received 57 views. For similar materials see Physics 1 in Physics 2 at University of Texas at Arlington.
Reviews for Week one notes
I love that I can count on (Clarissa for top notch notes! Especially around test time...
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 09/08/15
General College Physics some Trigonometrytrig before attacking any physics 0 Some helpful equations to review Sine Hypotenuse Opposite lmmotemlge Adjacent Opposite C0s9 Tan9 H ypotenuse Hypotenuse opposite ad j ac e n t Other things to gtkMake sure to review the inverse of Sine Cosine and Tangent Other Equations that will prove useful a2 b2 2 C2 0 A nrz Area of a circle 0 C 2mquot Circumference of a circle Physics is the study of nature and it s broken into two parts I Classical Physics I Modern Physics Measurements Uncertainty and Signi cant Figures When collecting data it is important to have reliable measurements and of course no measurement will be precise With every measurement taken there will be some level of uncertainty to go with it There are two types of uncertainty gt Estimated Uncertainty example is used to help comprehend Example You measure a book that has a length of 99 inches but there the measurement is off by 002 inches The 002 is the estimated uncertainty That was what was estimated gt Percent Uncertainty Which is a ratio between measured uncertainty and the measurement Continuing with the example of the book The measurement is 99 inches and the uncertainty is 002 So to nd the percent uncertainty it would look like this 99 X 0 The highlighted answer is the percent uncertainty Signi cant Figures 0 These are used to help reduce the uncertainty in a measurement Examples 1 2354 This has four signi cant gures 2 23456 This has 5 sig gs 0 There are some cases when you can t tell how many sig gs there are Example 1 60 In this case the amount of sig gs present is Ambiguous because it could be 1 sig g or 2 sig gs but in most cases this would be one sig g 2 60 In this case the amount sig gs present would be 2 Si Units Quick reView of units used in physics Very important that you reView what units are being analyzed 0 Length meters 0 Time seconds 0 Mass kilograms Distance Vs Displacement Displacement in physics usually has to do with where an object is the position of an object here is an equation for displacement Displacement X XO X stands for position Distance is just how did the object or indiVidual travel
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'