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Physics Research Paper Topics & Free Essay Examples

Pulse Width Modulation Final Year Project

Chapter 1 Introduction 1. 0 Background Pulse Width Modulation (PWM) is a type of devices that can be used as a DC motor speed controller or light dimmer. PWM is used extensively for speed controller where power-saving application is needed. This device has been used as a motor speed control for small DC fans, for…

Ib Pase Paper, Maths Hl

M10/5/MATHL/HP2/ENG/TZ1/XX 22107204 mathematics higher level PaPer 2 Thursday 6 May 2010 (morning) 2 hours iNsTrucTioNs To cANdidATEs ? Write your session number in the boxes above. ? not open this examination paper until instructed to do so. do ? graphic display calculator is required for this paper. A ? section A: answer all of section…

Master’s degree studies at NMSU

Statement of Purpose My name is Carlos Nieva. I received the degree of Bachelor of Science in Electronics and Telecommunications in the fall of 1998 from ITESM (Instituto Tecnologico y de Estudios Superiores de Monterrey), Mexico. I received the degree of Master of Science in Electrical Engineering in the fall of 2002 from NMSU (New…

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Multiverse

Multiverse From Wikipedia, the free encyclopedia For other uses, see Multiverse (disambiguation). Physical cosmology Universe · Big Bang Age of the universe Timeline of the Big Bang Ultimate fate of the universe [show]Early universe [show]Expanding universe [show]Structure Formation [show]Components [show]Timeline [show]Experiments [show]Scientists v • d • e The multiverse (or meta-universe, metaverse) is the hypothetical…

To Determination the Partition Coefficient of Ethanoic Acid Between Water and Butan-2-Ol

To determination the partition coefficient of ethanoic acid between water and butan-2-ol. Procedure 1. The room temperature was recorded. 2. 15cm3 of the given aqueous ethanoic acid and 15cm3 of butan-2-ol were poured into a 100cm3 separating funnel, using suitable apparatus. The funnel was stoppered and was shook vigorously for 1 to 2 minutes. (The…

Heat Transfer

Consider the cylindrical receiver in a solar thermal power plant shown below. The receiver is made of opaque material and has a diameter D = 8m and length L = 14m. At a particular time, the heliostats direct a concentrated solar flux of q”S = 80 kW/m2 onto the receiver. The ambient air has a…

Spirals

Spirals are defined as a curve that emanate from a center point. (Sitomer; Mindel, 1974) The authors of the book, “Spirals” tell us that “typically, a spiral is a flat curve or a planer curve used in various forms of art and expressions.” and that there is a variance in uses for these, where there…

X-ray interactions with matter

This document presents the interactions of x-ray with matter. It talks about the five types of x-ray interactions with matter, photoelectric absorption, compton scattering, pair production, coherent interaction, and photodisintegration. Each of this x-ray interactions are discussed in a manner that it can be understood by the general public. This document also dwells on the…

Introduction to Flood Routing

The Muskingum flow routing method has been very well researched and established in the hydrological literature. Its modest data requirements make it attractive for practical use. The paper gives a general overview of the Flood routing concept and types, and then goes on to explain the Muskingum method in detail. Introduction to Flood Routing Flood…

How to produce an electric current?

To make a lamp light you must send an electric current through it. You can do this by putting a voltage across its ends. Also you must use 2 wires and attach them to both ends of the component you are using and also to a battery or batteries and then to the switch. This…

Experiement to test for anions and cations

The aim of the experiment is to test an unknown substance with a variety of experimental methods, by doing this the identity of the substance will be known. The two types of different testing methods will be anions and cations. Cations are positively charged ions; this is because the atom looses an electron during a…

Retort stand and clamp

In reference to the safety aspect, the radiation source is kept inside a lead block, inside a wooden box, inside another wooden block, tongues are present for the movement of the source so it never directly handled. The sources themselves are in holders, which channel the radioactive output in one direction alone. However as I…

Compared to the original Daniell Cell

By completing and testing this hypothesis our group believes that it will factor in the aim of increasing the voltage and current of our Daniell Cell. Hypothesis 2 According to the Standard Reduction Potentials for Half-Reactions table, our group hypothesises that by changing the half cells so that their E0 values are a greater distance…

Galileo's Rolling Ball experiment

Galileo in his rolling ball experiment investigated the acceleration of a ball rolling down an inclined plane, using a similar setup I will investigate how the time taken to roll down the inclined plane varies with the vertical height change. Theory: When two similar objects are thrown vertically downwards, they are in a state of…

Making a standard solution

To find the molarity of the unknown acid, first we had to create a standard solution, the solution we created was Sodium Hydroxide (NaOH). We wanted a 0. 1 molar solution of sodium hydroxide so to get this we had to dissolve 4g of NaOH into 1000cm? of water, but we didn’t want 1000cm? we…

Electroplating works

This research was found from a website that gave the process of electroplating and how it works. It basically explains what electroplating is and what its function is in the process of electroplating. A section from this website gives detail parts of how electroplating works: “Electroplating is the deposition of a metallic coating onto an object by…

Constantan and Nichrome

If the length of the wire is doubled, the electrons bump into twice as many ions so there will be twice as much resistance. I’m going to summary my prediction to make it very clear. Longer the wire the more resistance the material has to electrical current compared to the short wire. This is so…

Ping-Pong Ball Bounces

This section is mainly based on putting my planning into action, hence all of the practical work and not a lot of written work. The averages in the table are recorded to the nearest cm. Observations My results table shows that as the height of the drop increases, so does the average bounce. This is…

Ohm's law

In this investigation I want to find out how the length of and the width of the wire affects the resistance. Resistance: An explanation of what resistance would be that resistance is the opposition of a conductor to a flow of current. It is when traveling electrons in a wire collide with the atoms of…

Thermal insulators

To investigate different materials for the most effective thermal insulator for a house. Introduction Heat transfer is the gain and loss of energy. There are three ways in which thermal energy can be transferred:  Conduction  Convection  Radiation Conduction – this is when energy travels from molecule to another. When one molecule receives energy it begins…

Physics palmistry astrology and other paranormal phenomena

ScientifIc, psychologists ate among the least likely to believe in physics palmistry astrology and other paranormal phenomena. Why might that be? Scientific psychologist believes In total science, they believe that anything happen Is have a clientele phenomena, which can’t be explain by palmistry and astrology. Those are mere prediction of future without having any valid…

Conservation of Momentum Experiment

Propagation of Uncertainties for Velocity of Pucks for Final Momentum:  Cue Puck: Stationary Puck: Since we have done the have already calculated the percent uncertainty for the velocity of the pucks, we can now add these uncertainties up. Final Percent Uncertainty for Average Initial Velocity of Cue Puck: 1.136…%+0.180…%=1.317% Final Percent Uncertainty for Average Initial Velocity of Stationary Puck: N/A…

Basics of Electricity Safety

1. Introduce electricity. 2. Why is electricity dangerous? a) Relationship between current and voltage.  b) How a person completes a circuit. 3. Why is electricity useful? 4. How can you avoid accidents? 5. How can you help someone who got a shock? 6. How do we practice safety at home and school? At home electricity runs the lights, television, toaster and…

Specific Heat Capacity

In this experiment, we are going to use a calorimeter (a solid metal block of aluminium). And we are going to expose it to different temperatures and measure the difference in temperature over time. We will also measure the changes in electric properties from the heater over time: Volts and Amperes. In order to get more…

Roller Coasters and Their Theory

2010 NAME: CAROLENA SEEREERAM DINESH TEELUCKSINGH DEVIANN SINGH VINCENT BAHADUR KERLON MOORE INSTRUCTOR: MR. RISHI RAMPERSAD COURSE: ENGINEERING SCIENCE COURSE: ENGINEERING SCIENCE CLASS: COMPUTER ENGINEERING (YEAR 1) INSTRUCTOR: RISHI RAMPERSAD GROUP MEMBERS: CAROLENA SEEREERAM DINESH TEELUCKSINGH DEVIANN SINGH VINCENT BAHADUR KERLON MOORE ABSTRACT A roller coaster is an amusement park ride where passengers sit in…

Circular Motion Physical Experiment Report

Circular motion is the motion that links velocity, mass, and radius of the string of an object. If any one of the factors is changed, the motion of the object gets affected or the velocity/acceleration gets affected. All objects going through circular motion experience a force called the centripetal force. Centripetal force is the force…

Physical Study in Fluid Dynamics

As objects move through fluids, they are exposed to numerous forces that enhance or impede their progress. By analyzing and understanding these forces, one can predict the velocity of a moving object. Of the forces exerted on an object falling through a liquid, such as buoyant force or the force of gravity, the viscous or…

Equipotential lines

To visualize an electric potential interaction between two electrodes and to sketch the resulting configuration as it creates a 2-dimensional electric field that can be used to map 2-D, equipotential lines. Method: With an electric potential meter (also known as a volt meter or Galvanometer), find points on the paper that have no potential difference…

Physics-Inclined Plane Lab

If an object is placed upon a surface that is inclined at a certain angle then that will decide the acceleration in which the object is going down the inclined plane. When looking at an inclined plane it is important to see what forces are acting upon it to see what the object is doing….

IB Physics HL Lab Report on Projectiles

Even if the actual measured results differ sensibly from the hypothetical values, we can clearly see that an inclination of 45 degrees generates a much longer distance travelled horizontally. During our experiment, water pressure was not constant and there could have been some fluctuations due to wind variation. Those uncertainties must be taken into consideration….

Investigating radioactive decay using coins

Research question: Does our radioactive modeling with coins illustrate radioactive decay? Hypothesis: I believe that it is possible to illustrate radioactive decay by trying to model it using coins. Radioactive decay is a random process and is not affected by external conditions. This means that there is no way of knowing whether or not a…

Investigating Magnetic Pendulum

Every magnet has two poles, North and South. When it is hung freely, it always settles in the direction North and South of the Earth. The following experiment is about the properties of magnetic pendulum. In all experiments find the time period of oscillation, and find relation in the direction of vibration and the time…

Investigate the Strength of Straw

The purpose of this experiment is to investigate the relationship between the number of straw used and the strength of straw when weigh is constant. First and foremost, experiment was started by using one straw. The initial reading from the pointer was taken before the masses were suspended. Then, the slotted mass carrier together with…

The Arrhenius Equation and Activation Energy

In this lab, our task is to determine how different degrees of temperature affect reaction rates. A Swedish chemist, named Svante Arrhenius discovered the relationship between temperature and reaction rate. In finding this relationship a new equation was formed called the Arrhenius Equation: Reaction rate constant k = A e -Ea/RT The factor A represents the frequency of…

ATOC 1060

The term “albedo” refers to the absorption of radiation False Without an atmosphere, the earth’s temperature would be a frigid -100 degrees Celsius False Over the past 400,000 years, CO2 abundances in Earth’s atmosphere have varied in correlation with Earth’s temperature True Molecules are called ‘greenhouse gases’ if they Absorb infrared radiation, but are transparent…

ASVAB

A baker made 20 pies. A Boy Scout troop buys one–fourth of his pies, a preschool teacher buys one–third of his pies, and a caterer buys one–sixth of his pies. How many pies does the baker have left? A. 3?4 B. 15 C. 12 D. 5 D. 5 1/4 + 1/3 + 1/6 = 9/12…

Synthesis of chloropentaaminecobalt(lll) chloride

  Insert the tube into the MSB and take a mental average of the fluctuating reading. 5. Repeat the previous step three times. 6. If the MSB displays a negative number, the coordination complex is diamagnetic and no further steps are necessary. 7. Determine how many unpaired electrons reside on the cobalt. E. Interpreting Infrared…

Physics in Cricket

Cricket is not a game that most Americans know about, however, it is a popular sport in Australia and in other British parts of the world. This sport is not unlike any other sport in the area that it involves a great deal of physics. However, this paper will focus on the aspect of bowling…

Flame Test

Title: Flame Test Aim: To determine the cation in each of the unknown substance X, Y and Z by observing the flame colour of different metal compounds. Introduction: A distinctive feature of many s-block metals is their ability to produce flame colours. At temperature of a Bunsen flame, a compound will decompose to give gaseous…

The Lambda Protocol Physics Investigation

This experiment is designed to produce ? -DNA bound in gel to fragment according to the restriction enzyme used to cut it up and to the sizes of these subsequent fragments. The aim of this experiment is to produce a -DNA fragmentation, which will be of known sizes because the entirety of the -DNA genome…

Surface tension of water

The capillary rise method was used to measure the surface tension of aqueous solutions of sodium chloride and acetic acid. Molar concentrations of 0. 5 M and 1. 0 M for each solution were tested. The results were then compared to the surface tension of pure water to observe how solute properties affect the surface…

Linear Motion Lab

2. LINEAR MOTION In this experiment you will study the motion of an object in one dimension from a number of points of view. You will demonstrate how the variables of motion are related by differentiation and integration and investigate the relationship between potential and kinetic energy. Theory Why Study Motion? Motion is everywhere in…

EDCI Assignment 3

Chapter 1 Chemistry 1201/1202 Give the chemical symbol or name for the following elements, as appropriate: (a) sulfur, (b) magnesium, (c) potassium, (d) chlorine, (e) copper, (f) F, (g) Ni, (h) Na, (i) Al, (j)Si Question 1.13 Make the following conversions: (a) 62 degree Farenheit to Celsius, (b) 216.7 degree Celsius (c) 233 degrees Celsius…

lighting quiz 1

The key to energy savings with daylighting is: (b) to provide responsive and operable controls for the electric lighting system 2. Daylight factor (at a point) is best described as: (c) the ratio of interior daylight illuminance to exterior daylight illuminance 3. Assuming a given sky type, daylight factor (DF): (a) at a specific point…

Physics IA bouncing ball

1. Put the ruler perpendicular to the flat surface. 2. Place the ruler in the arm of the metal stand and secure it tight so that the ruler can stay still; it must be perpendicular to the surface and parallel to the stand. 3. Grab the rubber ball and place it with one hand besides the 10cm…

The Evolution of Tv

The Evolution of Television Introduction Television is one of the most valuable contributions of the scientists in the last century. The world’s first real television picture was produced by a Scottish inventor called John Logie Baird in 19251. It was nearly a hundred years to the first television appears, television has evolved a lot in…

Melting Point Lab

What is Melting Point? one of the characteristic physical properties of a solid What is Melting Point used for? to characterize a known compound (if you had to choose between several known compounds) to record a physical characteristic for a new compound (important for comparison between compounds) to establish purity of a known compound (if…

Lab Report on Ideal Gas Law

We then poured the water back into the test tube and placed the tube into the bucket with the opening upwards, turning the open end downwards after the tube was fully submerged beneath he surface. We then placed the canister directly below the opening of the test tube, and released the gas so that the…

Chemical Bonding

Chemical compounds are formed by the joining of two or more atoms. A stable compound occurs when the total energy of the combination has lower energy than the separated atoms. The bound state implies a net attractive force between the atoms … a chemical bond. The two extreme cases of chemical bonds are: Covalent bond:…

As the number zero was the start of mathematics and the vacuum the foundation of physics.

As the number zero was the start of mathematics and the vacuum the foundation of physics, so silence became the standard measure of civilization. Yet, all three of these ‘scientific’ standards spring from human imagination and are only applicable by general agreement, but remain in principle fictional.Few compositions have caused such a division of opinion…

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