Percent of Cu in a post 1982 cent PURPOSE: What is the experimental % of copper (Cu) in a post 1982 cent? In this lab‚ we will determine the % composition of a modern (post-1982) penny by using a strong acid called nitric acid (HNO3)‚ to react and dissolve the zinc core‚ leaving only the copper coating. Once only copper remains‚ we will then compare its’ absorbency to the other five post-1982 penny Cu concentrations made in this lab. INTRODUCTION: Before 1982 the US penny was made of
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SPH4U-B 4 Circular Motion Physics SPH4U-B Lesson 4 Introduction Transportation has undoubtedly advanced. Not only have vehicles changed‚ but the means by which people can get themselves to and from different locations has changed as well. Maps and compasses now take a backseat to the Global Positioning System (GPS). Access to the GPS is now very widespread; 24 satellites above our atmosphere are used to send and receive information in order to accurately determine locations of
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Experiment 6: Conditions for Equilibrium Laboratory Report Kristine Bautista‚ Kevin Benin‚ Raisha Buan‚ Gabrielle Bugna Depertment of Math and Physics College of Science‚ University of Santo Tomas Espana‚ Manila Philippines Abstract The aim of this experiment is to determine the conditions of equilibrium‚ to locate the centre of gravity‚ and to demonstrate rotational equilibrium. The experiment was performed by doing a series of activities such as the use of a force table‚ strings
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wavelengths) of these radiations can tell us a lot about the molecule‚ atom‚ and nucleus under study. Since diffraction-grating spectrometers and other types of radiation spectrometers are widely used in all sciences you should be familiar with the basic physics of such device What does diffraction look like? When light diffracts off of the edge of an object‚ it creates a pattern of light referred to as a diffraction pattern. If a monochromatic light source‚ such as a laser‚ is used to observe diffraction
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Introductory Physics I Elementary Mechanics by Robert G. Brown Duke University Physics Department Durham‚ NC 27708-0305 rgb@phy.duke.edu Copyright Notice Copyright Robert G. Brown 1993‚ 2007‚ 2013 Notice This physics textbook is designed to support my personal teaching activities at Duke University‚ in particular teaching its Physics 141/142‚ 151/152‚ or 161/162 series (Introductory Physics for life science majors‚ engineers‚ or potential physics majors‚ respectively). It is freely
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Mapua Institute of Technology Department of Physics VILLAFLOR‚ KIM MICHAELA B. EMG/3 PHY11-2L/B4 2009100103 GROUP NO.5 504 DATE OF PERFORMANCE: MAY 3‚2013 DATE OF SUBMISSION: MAY 10‚2013 INSTRUCTOR Analysis: The work done by the fan cart is not constant. Because the work is directly proportional to the displacement given a constant force while power is indirectly proportional to work. Therefore we can conclude that power is also directly proportional
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Free Fall Rachel Shea Physics 131 Lab‚ QL Hasbrouck 210 Sept. 21‚ 2014 Abstract This experiment measures the study of motion by observing the force of gravity acting solely upon an object‚ and also measures reaction time. If an object is in free fall‚ the only force acting upon it is gravity. The object used in this experiment was a golf ball that provided some acceleration when dropped. A sensor positioned underneath a table recorded the golf ball’s pattern of motion‚ when dropped. The main
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physics 5/23/13 Constant motion Fill in the Blank (constant velocity) 1)Neither( ) nor ( ) of motion changes 2)y7ui8z Vocabulary Matching 3) A)how fast something moves; an expression of how much time it takes for a change in position to occur; rate of motion; rate of change of position( ) B)The speed of an object in a particular direction; ratio of change in position to time interval over which change takes place.( ) C)quantity having
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Trott studied the input admittance and transfer admittance at the soundpost positions on the top and back plates in the absence of the soundpost. He studied a well documented violin by Carleen Hutchins‚ SUS 181‚ and provided the plot of sound response as well as the input admittance of the instrument complete with soundpost. This violin had also been studied by Beldie [32] who published sound pressure level‚ (SPL)‚ and admittance plots which can be compared with those of Trott. The phase plot is
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Downloaded from www.campusportal.com.ng PHYSICS PREAMBLE The syllabus is evolved from the Senior Secondary School teaching syllabus and is intended to indicate the scope of the course for Physics examination. It is structured with the conceptual approach. The broad concepts of matter‚ position‚ motion and time; energy; waves; fields; Atomic and Nuclear Physics‚ electronics are considered and each concept forms a part on which other subconcepts are further based. AIMS The aims of the syllabus are to enable candidates
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