Acceleration of Gravity Using Smart Timers: To calculate the acceleration of gravity using the Smart Timers Steven Ge AP Physics B1, Per. 7, JSerra Catholic High School Advisor: Mr. Darling, Dana. Sep 11, 2014 Abstract The purpose of this lab is to calculate the acceleration of gravity using the Smart Timers. Drops of ball of equal size and start drops at one hundred centimeter height, the amount of time was counted used the Smart Timers. Repeat the same procedure...
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Marchessault Physics Lab LR Tuesday 8-9:55 Due 02/26/15 Experiment #1 Free Fall Experiment Abstract In this experiment we studied the motion of an object in free fall, that is an object being dropped from a certain height to Earth’s surface. In this experiment we tested the idea that no matter what the size, shape, color, etc. of the object if it would still experience the same constant acceleration throughout its fall (short distance). The constant downward acceleration it experiences is due to Earth’s...
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Determination of the Acceleration Due to Gravity By A Good Student Abstract The acceleration due to gravity, g, was determined by dropping a metal bearing and measuring the free-fall time with a pendulum of known period. The measured value is 9.706 m/s2 with a standard deviation of 0.0317, which does not fall within the range of known terrestrial values. Centrifugal forces and altitude variations cannot account for the discrepancy. The calculation is very sensitive to the measured drop...
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Lab II, Problem 3: Projectile Motion and Velocity Oct. 06, 2013 Physics 1301W, Professor: Hanany, TA: Vladimir Abstract A ball is tossed obliquely. The vectors of position and velocity are measured. The acceleration is calculated. Introduction A toy company is now making an instructional videotape on how to predict the position. Therefore, in order to make the prediction accurate, how the horizontal and vertical components of a ball’s position as it flies through the air should...
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AIM: Finding the gravitational field strength by using a simple harmonic motion of a spring and slotted masses. INTRODUCTION: When a mass suspended from a spring is displaced, due to the acceleration, kg s-2, from its equilibrium and released it will oscillate up and down with a kind of motion called simple harmonic motion, shm. The period (T), time taken to measure for one complete oscillation, of this motion is: m/kg...
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Physics Lab Report #7 “Analyzing a Projectile’s Motion” Name: Fei Huo Date performed: October 22st, 2014 Period 5 Teacher: Mr. Glasel Purpose: The purpose of this lab was to examine the behavior of a projectile’s motion Introduction: My Classmates and I were doing experiments in lab about and the distance of an object thrown. We were given formulas to solve the problems. We had to fill in a chart and do some questions. Procedures: 1. First, my classmates and I were to...
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Calculating for acceleration due to gravity using a picket fence in free fall R. Cajucom, J. Suarez, and J. Villanueva Performed 9 September 2015; submitted 16 September 2015 Abstract-Limit the abstract to four to five sentences stating the following: (a) statement of the problem, (b) methodology, (c) pertinent results, and (d) conclusion. Avoid numbers and symbols in the abstract. After you have written the abstract, write the title. In not more than 13 words, choose a title that would...
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The Acceleration Due to Gravity Experiment #2 Abstract: In this experiment, we used a spark timer to record the motion of an object in freefell by running a strip of paper through it. We then analyzed this motion to find an experimental value for the acceleration of gravity. We found that our experimental values differed from the accepted value for gravity by less than ten percent, which can be attributed to experimental error. Date Tables Data Table...
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LABORATORY REPORT Acceleration Due to Gravity Table of contents Objective 1 Equipment 1 Procedures 1 Recorded data, calculated results, and graphs 1 Discussion 3 Conclusions 3 Objective In this project we attempted to confirm that the acceleration due...
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Physics Lab Report#3 “Determining the period of a pendulum” Name: Fei Huo Date performed: October 1st, 2014 Period 5 Teacher: Mr. Glasel Purpose: The Purpose of this Lab was so that my classmates and I can examine what kind of factors affect the period of a pendulum. Introduction: In a simple form, the pendulum is a weight hung from a long string that Galileo discovered that it can be used to track the passage of time very accurately around 400 years ago....
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Scientific question: How does the incline of a slope influence the acceleration of a cart when it travels down a wooden plank? Introduction: What is an incline plane? Commonly referred to as a ramp or a slope, an incline plane is an even surface that is titled at an angle. An object placed on the tilted surface will often slide down the surface, accelerating because of an unbalanced force. The rate at which an object travels down the slope is dependent upon how tilted the slope is;...
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Sample Formal Laboratory Report for Physics on the Picket Fence Lab INTRODUCTION: Purpose: The purpose of this experiment is to verify the acceleration due to gravity using the picket fence with a LabPro and probeware. Theory: All objects, regardless of mass, fall with the same acceleration due to gravity assuming that there is no air resistance. Objects thrown upward or downward and those released from rest are falling freely once they are released. Any freely falling object experiences...
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Miriam Karunakaran Physics Honors Period 6 Physics Kinematics Lab Report Kinematics is the study of the motion of bodies without reference to mass or force. This lab aided students in observing kinematics by giving them a visual graph to look at from experiments previously performed. Variables used in this lab were “x” for position of the object, “v” for velocity of the object, and “a” for acceleration of the object. Understanding the graphical representation of...
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(CIDEB) Physics LAB REPORT Uniform Rectilinear Motion Teacher: Patrick Morris Alejandra Castillejos Longoria Group: 205 ID: 1663878 Abstract The purpose of this experiment, was to prove the concept of the uniform linear motion by using an air track. With this, we demonstrated the impulse and change in momentum, the conservation of energy and the linear motion. We basically learnt to calculate the distance/time, acceleration/time, and...
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PBSC Math Science Institute Physics Course 2014 - Rocket Lab Report Title: RockSim and Electronic Altimeter Measurement Techniques Name: Scarlet Henriquez Email: scarletpatricia94@aol.com LAB SESSION ___8____Assignment _____7_____ Due Date: ___7/8/14______ Objective: Launch a smaller rocket to learn how to compare RockSim predictions (computer based) to an actual instrument measurement carried by the rocket (Electronic Altimeter). This Lab shows how better the electronic...
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Determine the acceleration in a quick sprint. Question What would the participant’s acceleration be if he/she sprints forward in a positive direction? Hypothesis/Prediction When a person sprints forward, it means he/she speeds up. Consequently, the acceleration should be positive. When the velocity accelerates at a constant rate, the acceleration should remain constant. Therefore, if the participant is moving toward a positive direction and the speed increases, then the acceleration should be positive...
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Is gravity always 9.8m/s2?? INTRODUCTION: A simple pendulum consists of a mass m swinging back and forth along a circular arc at the end of a string of negligible mass. A pendulum is a weight suspended from a pivot so that it can swing freely. Gravity is the pull that two bodies of mass exert on one another. There are several simple experiments that will allow you to calculate the acceleration due to gravity of a falling object. A simple pendulum can determine this acceleration. The only variables...
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Acceleration Due to Gravity Have you ever wondered why items always speed up when they are falling? Well it all has to do with acceleration due to gravity. Acceleration is the rate at which an object changes its velocity. Acceleration can be calculated by finding the change in velocity and dividing it over the time. The equation is: a= ∆v∆t (“Acceleration”) Acceleration is also a vector because it has a direction. The units of acceleration are typically m/s2. Gravity is the force that attracts...
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Physics Lab Report How does the length of a string holding a pendulum affect its oscillation? Method 1. You will need the following apparatus: a pendulum, a piece of string, a clamp, a clamp stand and a timer. 2. Measure out 20cm and attach the metal ball. 3. Establish an angle and let the ball swing for 10 oscillations, timing it and stopping at the 10th one. 4. Write down your results. 5. Repeat steps 2-4 another 2 times so that your results are reliable. 6. Then change the length...
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Courtney, Ashley Abstract: Determine the acceleration due to gravity using a pendulum. Introduction: A simple pendulum consists of a mass suspended by a length of string. When set Oscillating, the mass will have a period “T” given by the following equation. This equation shows the only variables that affect the rate at which the pendulum swings is the length “l” that is measured to the center of the object’s mass and the acceleration due to gravity “g”. By rearranging this expression it s...
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velocity and time b) To determine the acceleration of the motion of the trolley c) To find the constant force exerted on the trolley Introduction: Newton's second law of motion pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the...
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interpretation of the Speed of Sound IB Physics HL Lab report Physics HL coursework 2008Grade 7 Download or Print Add To Collection 8.4K READS 18 READCASTS 1 EMBED VIEWS Published by xb08 Follow Search TIP Press ⌘F to search anywhere in the document. Info and Rating Category: School Work > Essays & Theses Rating: Upload Date: 09/20/2010 Copyright: Attribution Non-commercial Tags: Lab Reportspeed of soundib physics hl Free download as PDF File (.pdf), Word Doc...
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Projectile Motion PHYS111 Formal Report 2 University of Canterbury Campbell Moulder Abstract The force of gravity is said to be a constant of 9.81 ms-2 (3). This can be proved by measuring the projectile motion of a bouncy ball and plotting a ∆Vertical Velocity vs. Time graph, the gradient of which should equal the constant force (acceleration due to) of gravity. Our gradient value of 10.26±0.49 ms-2 is consistent with the actual value of 9.81 ms-2. Introduction A projectile is an...
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Lab 2 Problem 3: Projectile Motion and Velocity Abstract An experiment to determine how the horizontal and vertical velocity components of an object change as a ball flies through the air was carried out. To simulate projectile motion, a ball was tossed in the air and analyzed using video software. Upon analysis, it was determined that there was an absence of a horizontal acceleration, but there was constant vertical acceleration due to the presence of gravity. Thus, it was observed that an object’s...
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Physics Lab Report 1. For the wavelength measurement of different colors in the Hydrogen spectrum done in the lab, tabulate your data recorded along with the wavelength calculations performed for all colors in the spectrum. (2 points) Line Color a_left (m) a_right (m) a_average (m) sinq nm Red 0.235 0.27 0.2525 0.182145 5.47E-09 Green-Blue 0.17 0.33 0.25 0.180505 5.42E-09 Indigo 0.16 0.35 0.255 0.18378 5.52E-09 Violet? 0 0 0 0 0 To find the wavelength for all of the colors in this lab we used...
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Acceleration from Gravity on an Incline I. Introduction: Acceleration is the rate of change of the velocity of a moving body. Galileo was the first person to actually experiment and examine the concept of acceleration back in the seventeenth century. Acceleration can be determined by calculating the gravity and an incline. An incline is slope that is deviated between horizontal and vertical positions. Gravity is the natural force of attraction towards the center of the earth. Because of this...
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Physics 211 Experiment 1: Free Fall - Determining the acceleration of gravity Prior to Lab: Derive the numbered equations (Equations 1, 2 and 3) in the lab instructions using the definitions of velocity and acceleration (a=dv/dt and v=dy/dt). Object: The object of this experiment is to determine the value of the acceleration of gravity by measuring the rate of acceleration of a freely falling object. In addition, one will be able to compare theory with experiment for constantly accelerated...
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February 24, 2012 Lab #8: Newton’s Second Law and Acceleration Due to Gravity Purpose: To observe a few effects of constant force and varying mass, constant mass and varying force and varying both mass and force and relate them to Newton’s Second Law. Apparatus: Theory and Background: Newton’s Second Law of Motion states that the acceleration of an object is produced by a net force that is directly proportional to the magnitude of the net force, in the same direction as the net force...
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Lab 3. Dc circuits and Ohm’s law of measurments Helina Wolfe Tannaz Farnoudi and Najah Rouse Physics 246-205 Professor Joe Renaud 09/23/13 Word count:1453 Abstract: The aim of this experiment was to understand the relationship between the variables of Ohm’s law and how they are part of an operation of an electric circuit. Introduction: This experiment was done in two parts. The first part consisted of understanding how to determine the current, voltage and resistance...
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Physics Lab Report Physics Lab Report Title : Geometrical Optic Name : Muhammad Syakir Farhan b. Sebery Group : A Date : 20 June 2013 Matrix no : CPM 17/12C Lecturer’s name : Mr. Zikri Introduction An optical lens is made of transparent material such as glass or clear plastic. One or both surface usually has a spherical curve. There are two types of lenses, converging and diverging...
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Physics Lab Report Experiment M3 Centripetal Force School: La Salle College Class: 6G Group members (Group 7): Carson Ho, Tang Yui Hong, John Yu, Justin Kwong Date: 1 / 10 / 2014 Report is written by: Tang Yui Hong 6G (27) Title Centripetal Force Objective To verify the equation for centripetal force Apparatus Instrument Descriptions 1 rubber bung circular, cylinder screw nuts and wire hook / 1 small paper marker / 1 rule 1 metre safety goggles / adhesive...
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Uniform Acceleration Cedric C. Labasan Physics Department, De La Salle University St. Joseph Hall Room 404, 2401, Taft Avenue, Manila, Philippines cedric_labasan@dlsu.ph Abstract This lab report defines what uniform acceleration is and how to calculate uniform acceleration of a cart rolling down a ramp at different angles and elevations. The experiment will be performed by setting the cart on the track against the end stop and then record this final position on the steel ramp ten times...
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Physics Lab report Aammar Paracha Section MX Feb 6th 2015 OPTICS Abstract: This experiment revolves around using light rays and lenses. The experiment also discusses different properties of light rays. This experiment uses different lenses and measurements to produce images and observes different techniques to obtain the image position. Question and Answers: 1. Use your data to verify the Law of Reflection and then use Snell's Law to...
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Name______________________ Group_____ Gravity Lab Computer Name________________________ Procedure: 1. Search “My Solar System” in the browser. This will find a site with this URL: http://phet.colorado.edu/en/simulation/my-solar-system Go to that link and click on “Run Now!” Click the “Show Grid” box on the right of the screen. Drag the slider from “Fast” all the way over to “Accurate”. At the bottom, select “3” for the number of bodies. Then fill out the data table to...
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How to write a lab report Let’s take as an example a free-fall experiment. You drop a small steel ball from various heights and use an electronic timer to measure how long it takes the ball to hit the ground. From this you calculate the final speed of the ball using v = 2x/t. You believe that the ball will have a constant acceleration of “g,” 9.8 m/s2. This will be seen if you graph velocity vs. time and get a straight line with a slope of 9.8. You end up with a table of data giving distances...
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Using a simple pendulum to find the acceleration due to gravity/g Task 1 Aim: To find the acceleration due to gravity/g Objective: To find the relationship between the length of simple pendulum and the period oscillation Hypothesis: The longer the length of the simple pendulum, the longer the period of oscillation will take. Variables: a) Independent- the length of the pendulum; b) Dependent- the time it takes for 20 oscillations; c) Control - the mass of pendulum. Task 2 References...
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plate (reference 5) 6. Laboratory balance (reference 6) 7. Two kinds of metal Because of my illness I could not attend on this lab experiment. That is the reason why I do not have the discussion and the result for this experiment. Reference: Reference 1: Ruggiero, August. “LAB Manual for PHYSICS 102” at Essex County College Reference 2: physics. smu. edu Reference 3: thesciencesource.com Reference 4: finnsci.com Reference 5: www.arthursclipart.com Reference 6: ulab.edu...
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between mass and acceleration Stage 1 - Planning Title: Investigating acceleration – How does changing the mass of an object change its acceleration? Introduction: As the speed of moving object and rate, the forces acting on the object, the mass of the object, and gravitational force of it might affect the acceleration, I will investigate about the mass of the object. Aim: I will try to answer the question “How does changing the mass of an object change its acceleration?” which is to find...
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Impulse and Momentum Lab Part I: As the first lab of the Physics 2 curriculum, our class completed a lab experiment that introduced us students to a new concept that would be a foundation to the future topics that we learn in this class. In this lab activity, we used a lab cart on a flat track to compare the collision of the cart with a force sensor with and without the plunger during different trials. The materials that we would need for this activity are a lab cart on a flat track, a timer...
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and Acceleration (Video Analysis) NAME Abstract: With using the new software this lab was different than the rest. We determined many solutions using video analysis. We used a frictionless track with a “car” and recorded using loggerpro software. We used this software to determine average velocity and instantaneous velocity. With this information we than discovered the average acceleration, mine was .2115. After that we were able to find δa, then finally the free-fall acceleration, I got...
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Grade 11 physics: SPH3U1-01 | Physics Lab Report | Specific Heat Capacity of Brass | | Jin Jin Shi | 2012/12/6 | Instructor: Mr. Nailer | I. Introduction The amount of heat required to raise the temperature of a solid body depends on its change in temperature (ΔT), its mass (m), and an intrinsic characteristic of the material forming the body called specific heat (cp). The heat is calculated from the equation II. Purpose The purpose of this laboratory is to determine...
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MAPUA INSTITUTE OF TECHNOLOGY DEPARTMENT OF PHYSICS EXPERIMENT 201 WORK, ENERGY AND POWER GRADE GRADE Name: CAYETANO, Ma. Frederiza Anne M. Program/Year: MSE-2 Course Code/Section: PHY11/B2 Student number: 2010102844 Group number: 2 Date of Performance: July 27, 2013 Date of Submission: August 3, 2013 Sir Bernard Aguirre Instructor GRAPH AND CALCULATIONS A. PART 1: DETERMINING THE FORCE, WORK AND POWER OF THE FAN CART F=wp+wa W=F∙s Pave=Wt where: F = Force of the Fan...
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Lab 4: Newton’s Second Law Lea Finocchi September 24, 2013 Partners: Amanda Okeefe, Sara Rojek, Kiran Kandola Objective: The objective of the first part of the experiment was to derive an expression, under conditions with negligible friction, for the acceleration of a cart on a level track when it is attached by a string to a hanging mass at the end of the track. With the value of acceleration and the mass of the weight divided by the mass of the weight plus...
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DAS 12603 SECTION 4 LAB REPORT EXPERIMENT 5 : SPECIFIC HEAT, LATENT HEAT OF VAPORISATION & LATENT HEAT OF FUSION GROUP 26 NAME MATRIX NU. MUHAMMAD SULHI BIN ABDUL SAMAD AA 131262 MUHAMMAD SYUKRI BIN KASSIM AA 131264 NUR HUSNA QADIRAH BINTI ZULHASRI AA 130022 NURUL IZZATY NATASYA BINTI ALI AA 130988 DATE OF EXPERIMENT : 11/10/2013 INSTRUCTOR : CIK NORBAIZURA NORDIN Name NUR HUSNA QADIRAH BINTI ZULHASRI Date 11 / 10 / 2013 Lab Session (Day & Time) FRIDAY ...
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Experiment 7: Relative Density Laboratory Report Marella Dela Cruz, Janrho Dellosa, Arran Enriquez, Alyssa Estrella, Zacharie Fuentes Department of Math and Physics College of Science, University of Santo Tomas España, Manila Philippines Abstract The experiment was conducted to show the different methods on how to determine an object’s composition through its density and to determine an object’s density by displacement method and the Archimedes Principle. Results show that. The materials...
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for a body that is undergoing centripetal acceleration. Background Information An object moving in the same direction is not necessarily undergoing acceleration. If the object changes speed while moving in the same direction there is acceleration (or deceleration). On the other hand, if the object moves at a constant speed in the same direction, there is no acceleration. This does not mean that constant speed always indicates no acceleration, however. An object that moves at a constant...
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I. Introduction Small variations in the acceleration due to gravity, g, occur at different places on Earth. This is because g varies with distance from the center of the Earth and is influenced by the subsurface geology. In addition, g varies with latitude due to Earth’s rotation. In this activity, you will be using a spark timer to collect free-fall data and use it to determine the acceleration due to gravity, g. II. Materials and Procedure A. Materials * Spark timer *...
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Regents Physics Constant Velocity/ Acceleration Lab 10-3-13 Problem: Graphical Analysis of Constant Velocity and Accelerated Motion. Theory: Gravitational acceleration is constant on Earth g=9.8m/s2 Therefore, when the golf ball is dropped, the acceleration will be equal to gravitational acceleration agb=9.8m/s2 Given there is no air resistance, this means that when the golf ball is dropped from a given distance, according to the formulas, the golf...
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necessary to produce a temperature change of 1°C per gram of substance. The specific heats of different substances vary, and therefore this quantity may be useful in identifying an unknown. The measurement of heat changes is called calorimetry. In this lab activity, calorimetry will be used to determine the specific heat of an unknown metal. This will be done by using a styrofoam cup calorimeter containing water. A calorimeter is insulated so as to minimize any loss of energy to the surroundings. Therefore...
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Samantha Mackey 13. 2nd hour PHYSICS LAB REPORT: SPEED OF SOUND Purpose: In this lab, we will be doing 3 major things: 1) Collecting and organizing data to obtain resonant points in a closed pipe, 2) measure the length of a closed-pipe resonator, and 3) analyze the data to determine the speed of sound. Procedure: 1. Fill the graduated cylinder nearly to the top with water, with a tall glass tube open at both ends (the water level with act as the closed end). 2. Determine...
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Relationship Involving Acceleration, Net Force, and Mass Giho Park Purpose The purpose of this lab investigation is to observe the relationship among the net force, mass, and acceleration of an object. Hypothesis/Prediction Part A If the net force increases with a constant mass, then the acceleration would increase, because the force would push the object to increase the velocity. Part B If the mass of the cart increases with a constant net force, then the acceleration would increase ...
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Physics Laboratory Report Sample PHY 223 Lab Report Newton's Second Law Your Name: Partner's Full Name(s): Date Performed: Date Due: Date submitted: Lab Section: (number) Instructor: (Name) Introduction We verified Newton's Second Law for one-dimensional motion by timing an accelerated glider moving along a flat track. We varied both the accelerating force and the mass of the glider. We found that for a given force the acceleration of the glider was inversely proportional to the mass of the glider...
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Free-Fall Lab Assignment Nishad Gothoskar Physics Online Experimental Design: In order to design an experiment to measure free-fall acceleration, the researcher must construct a wooden tower with height 10 meters along with a trap door system to release a tennis ball from rest position. In this case, the researcher must measure the time the ball takes to free-fall from rest position to the ground. Using this info and the formula: s=vit+ 12at2 s = 10 m vi = 0 m/s The researcher will...
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AP Physics 1 Name _ Joelle Calugay______ An experiment to obtain and compare the spring constants of 3 strings (soft, medium, and hard) obtained in 2 ways (using the energy chapter and the dynamics chapter), to confirm that Hooke’s Law is valid over a range of initial displacements, and to find the acceleration due to gravity on unknown Planet X. Problem: What are the spring constants of 3 strings (soft, medium, and hard) and how do they compare? Theory: To find the spring constants...
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Acceleration Due to Gravity Conducted on October 6th, 2014 Objective: The object of the experiment is to determine whether or not objects fall freely at the same rate and speed. Measure and calculate the time in which it takes random objects to hit the ground from a certain height and determine if the objects have the same rate of motion or not. Materials: 1. Meter Stick 2. Stopwatch 3. Wallet 4. Quarter 5. Tape 6. Hot sauce packet from Chinese food delivery 7. Container of wipes...
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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...
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discrepancies for inelastic collisions were 58.33% and 81.81% for the equal mass and unequal mass respectively. Both of the percent discrepancies were greater than 60% which indicates inelastic collisions are not as inefficient in conserving energy due to a loss in energy. The percent discrepancies for the equal and unequal mass elastic collisions were 36.36% and 56.25 % respectively. Both of the percent discrepancies for the elastic collisions were less than the percent discrepancies in inelastic...
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HSC PHYSICS 2011 HSC PHYSICS 2011 PENDULUM MOTION BY NATHAN LOCKE Image taken from http://www.practicalphysics.org/go/Experiment_480.html Pendulum Motion Aim: To determine the rate of acceleration due to gravity by using a pendulum. Background Information: Equation One: T=2πlg Where T = the period of the pendulum (s). This is the time taken for the pendulum to return to its starting position. l = length of the pendulum g = the rate of acceleration due to gravity (ms-2) * In...
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Lab: Constant Velocity Motion in One Dimension Objective The objective of this lab is to demonstrate the idea of velocity, position, distance, and displacement of a moving object in one dimension at a constant velocity. Also to be able to model a cart’s motion with graphs and determine the relationship between position vs. time and velocity vs. time. This is all done by setting a cart in motion and recording data that consists of time, position, and...
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Post lab 4. If we increase the temperature of a conductor, its resistance will increase. In a semiconductor, resistance will decrease as temperature increases. Read more: http://wiki.answers.com/Q/What_is_the_effect_of_increasing_temperature_on_resistance#ixzz1u3megHV5 1. Resistors Resistors are the most commonly used component in electronics and their purpose is to create specified values of current and voltage in a circuit. A number of different resistors are shown in the photos. (The...
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