Make a hypothesis whether or not each will follow conservation of momentum. energy and momentum are transferred. This apparatus can be used to experimentally study important concepts in kinematics such as velocity, acceleration, momentum, collisions, and kinetic energy. This time interval is relatively short, so the impulse approximation is valid. Plug the yellow-banded (pulse) plug into Digital Channel 1 and the second plug (echo) into Digital Channel 2. The experiment is repeated, but now the cart is moving at 1 m/s when the air is turned off. General Physics I Lab: Collisions In One Dimension 2. Exercise 1: Two Objects in a Head-On Collision Question: What happens when one object (orange) has a greater mass than the second object? Gather data for each of the following situations. Jun 05, 2017 · In my experiment I am performing a collision with two carts with magnets attached with photogates and a labquest on an air track. Occasionally check the air holes on the linear air-track with a pin, to clear any blockages due to grit or dust. Air Track Experiment. Introduction Collisions and Laws of Conservation of Momentum and Energy In this experiment we will measure the motion of two carts before and after a collision. In this particular experiment the Law of Conservation of Momentum was verified. 1 Equipment Setup Procedure 1. Virtual Air Track. Set up the air track and photogates using neodymium magnetic bumpers on the gliders to provide a nearly elastic collision. In the present setup, a triangular section aluminium alloy track, length 200cm, with two row’s of air holes through which air emerge forming air cushion on which the vehicles float. momentum and kinetic energy. Walley Williams] on Amazon. The acceleration of the ball in the direction it rolls down the ramp (a) is not the full acceleration of gravity. On the air track, the friction is negligible, so there are no nonnegligible external forces in the horizontal direction, either before, during or after the collision. Jun 10, 2014 · C4-14: AIR TRACK - ACCELEROMETER Demonstrate the behavior of a liquid accelerometer Read More. Which collision type loses less kinetic energy. MOMENTUM Apparatus Linear air-track, two vehicles with velcro pads attached, blower, two photogates, two retort stands, dual timer, metre-stick, black card. Take a few minutes to investigate the simulation and become familiar with its operation. Here is a picture of the air track build. ) Equal-arm balances (on the side) Theory (A) Conservation of Momentum. Air Track Experiment. This activity is divided into two parts. The cart comes to rest after traveling 1 m. Procedure to set up the inclined plane experiment: Set the dynamics track on the lab table with the measurement scale toward you. Impulse Momentum Objective: Measure a cart’s momentum change and compare to the impulse it receives. Kids have seen big hot air balloons and here they will learn exactly what makes the balloon rise and fall and how a pilot is able to maneuver it while in the air by making their own hot air balloon!. Click on “Record”. Experiment 5 - Air Track. A force of 1 N gives a mass of 1 kg an acceleration of 1 m s-1. How far does the cart travel before coming to rest? 1. Experiment 1 – One Object Bumps Into Another. Give both gliders a push simultaneously to collide with each other. Be sure to hit "RESET" between each trial. Low Noise Pump 1 3. Write out a hypothesis that answers each problem statement. time graphs. Table of Contents Place the cart on the track with the spring unhinged and facing the force sensor (Figure 2). Air Track Apparatus air track, several gliders (with springs, e. Description. Air Track Adjust the mass and velocity of two gliders on a frictionless air track. The diagram below illustrates the collision of trolleys on an air track. An array of magnets is used, so the linear acceleration can be explored by measuring the magnetic field. A moving glider on a linear air track collides with a stationary glider, thus giving it some momentum. Lab Lesson Plan: Conservation of Momentum— Hillcrest High School, Texas. Sep 26, 2013 · Swiveling Science: Conserving Momentum in a Spinning Chair Learn how figure skaters speed up during a spin with this dizzying activity By Education. It is worth noting an important difference between the car collisions and the air track collisions. A Navy pilot died flying the Super Tucano June 22 as part of the Air Force's light-attack experiment. Like the one in the first scenario What is the relationship between the initial and final total momentums? Describe the motion of the balls before and after the collision? Part 2-. This activity is divided into two parts. We did an experiment where we were colliding objects on an air track. s -1 to the right collides with a stationary trolley B with a mass of 1,5 kg. Air Track Lab by Raman Pfaff. You now apply the same constant force to both blocks for exactly one second. Indirect measurement of inaccessible heights and distances 2. In this section, you will use the computer to take data from two photogates positioned a distance away from each other along the track. Set up your air track equipment following the procedures in the \Introduction to the Air Track" document. Case#2 - Variable Net Force - Elastic Rebound: Consider the apparatus illustrated below: Record the Mass of Air-Track Cart / Magnet. Write down the energy conservation equation for the collision between two air carts on the frictionless air track. We will use the air track again (next time with data loggers) to perform a momentum conservation experiment. Part A: Air Track. The following text is used only for teaching, research, scholarship, educational use and informative purpose following the fair use principles. This apparatus can be used to experimentally study important concepts in kinematics such as velocity, acceleration, momentum, collisions, and kinetic energy. The air-track comes with an accessories kit and an instruction booklet. Use elastic bumpers on the air pucks or CDs so that they will rebound elastically. 01 - PhET Interactive Simulations. Please be elaborate. This Conservation of Momentum Experiment Lesson Plan is suitable for 11th - 12th Grade. The following text is used only for teaching, research, scholarship, educational use and informative purpose following the fair use principles. Physics Lab Steps For this physics lab, you will need:. The total momentum of the system is conserved. Level the track. Record the launch position so that it can be repeated. Lesson Collection (not local) 1 Dimensional Interactive Labs: Interactive labs allow you to examine conservation of momentum in a line. 5 Linear Momentum Expt. Elastic and Inelastic Collisions: Air Track Objectives In this experiment you will investigate collisions that are (nearly) elastic and others that are completely inelastic. BUT the person setting up the track did NOT do a good job at making the track Level(or NOT perfectly horizontal). Set up the air track and photogates using neodymium magnetic bumpers on the gliders to provide a nearly elastic collision. (Vertical) speed changes by 32 feet per second (about 22 miles per hour) for each second in the air. In the physics experiment described here, you'll apply the concept of momentum using marbles, meter sticks, a stopwatch and different surfaces. Arrange two photogates at least half the track length apart, so. The acceleration of the ball in the direction it rolls down the ramp (a) is not the full acceleration of gravity. Students will investigate the principle of momentum conservation by studying collisions in one dimension using two bodies/ gliders on an air track. Practice: Momentum and Energy #1. This experiment may be performed using trolleys on a friction-compensated ramp. Write out a hypothesis that answers each problem statement. 7) Turn the blower on and place glider #2 at rest, at approximately the 100 cm position on the air track. Unit Title: Newton's Second Law & Net Force. Momentum is defined to be the mass of an object multiplied by the velocity of the object. Determine the best fit equations for the position vs. 750 seconds. Place a glider in the center of the track. Description of the Experiment. 17) In the figure below are shown two carts on an air track. Click on “Record”. Use an air hockey table to investigate simple collisions in 1D and more complex collisions in 2D. They also indicated student difficulties in understanding the concepts of conservation of momentum and energy, especially in identifying the “system” to which the conservation laws pertain, the meaning of negative momentum, and the nature of energy transformations during collisions. Top Ten Air Pressure Experiments to Mystify Your Kids by Aurora Lipper, Supercharged Science There's air surrounding us everywhere, all at the same pressure of 14. The air is blown in from the front and escapes through small air outlets arranged in 2 rows along the track. physics 221 section 009 olugbenga adeyemi olunloyo experiment performed: 10 october 2017 report handed in: 17 october 2017 conservation of momentum introduction. Overview The subject of particle dynamics is the determination of the motion of a particle, given the. Air track with coupled gliders with manual timer, as photographed. 5m with two rows of fine holes along the top. 7 psi (pounds. The Web Part cannot find an InfoPath form in the specified location. In this experiment you will verify the conservation of momentum in a collision of two air track gliders. Physics Lab Steps For this physics lab, you will need:. Momentum and collisions (Air Table lab) D. Push the vehicle slowly so it can reach the reflector and return. Prior Knowledge Questions (Do these BEFORE using the Gizmo. It is worth noting an important difference between the car collisions and the air track collisions. 1 Answer to While using the air track to investigate conservation of momentum, is it necessary to have equal length intervals to properly investigate the matter? Why? - 232088 Home » Questions » Science/Math » Physics » Classical Physics » Conservation of momentum experiment. s -1 to the left and trolley B moves at 3 m. PHYWE series of publications • Laboratory Experiments • Physics • PHYWE SYSTEME GMBH • 37070. Experiment 6: Conservation of Momentum Elastic Collisions 1. Experiment 1-1 Air resistance 1 Introduction A moving vehicle such as a bicycle, car or plane is subject to air resistance. The predictions of the conservation of momentum can be verified experimentally using gliders on an air track which essentially removes the effects of friction from the experiment. Introduction. How far does the cart travel before coming to rest? 1. Collisions of two frictionless objects (gliders on a track, also referred to as carts or cars) can be described in terms of momentum (and sometimes energy) conservation. or better yet build one, the V shape string is to keep the balls in a line. Unlike with cards like Quicksilver Elemental, the costs of the activated abilities Experiment Kraj gains must be paid with the correct colors of mana. Since velocity is a vector and mass a scalar, momentum is a vector. Air Track Lab by Raman Pfaff. (a) Elastic Collisions (with springs) Procedure: (After leveling the air track) 1. Air track (6 feet) with Photogates and Physlogger The air track uses compressed air issuing from precisely placed minute orifices equidistantly created in a metallic track. Lab Lesson Plan: Conservation of Momentum— Hillcrest High School, Texas. Lab Preparation Review the following before this lab: Momentum. Make sure that the air track is level. The air track is also used to study collisions, both elastic and inelastic. Questions about any of these labs can be directed to Jim Keefer Density of Liquids, Graphs, Sig. DOCUICINTRES1841. Oct 01, 2014 · Two carts of different mass gently collide on an air track. Determination of acceleration due to gravity 5. The main changes that you can make are the mass and initial velocity of each object. A spring scale is mounted on top of the glider. Momentum can be calculated with the formula P=m*V (note that all variables are vector quantities). To demonstrate conservation of energy and conservation of momentum in elastic collisions. This allows us to analyse the operation of many familiar phenomena around us, but also the mechanics of planets, stars and galaxies. OBJECTIVE: To study conservation of energy and momentum in collision. Seven different collisions were made, four elastic and three inelastic. Make sure the rubber-band yoke, flat blade, pin with cork attachment and the wax insert attachment are aligned (Figure 2). How to Use this Guide The lessons in this guide introduce students to the physics of car crashes with high-interest,grade-level appropriate activities designed to meet national science standards. In the previous experiment you have examined the motion of a single object as it underwent a variety of motions on an air track. 7 Procedure Do not move the carts on the air track when the air is not turned on. To remove some uncertainty you may which to do a few "virtual experiments" before you start collecting data. Introduction Previous, important contributions to classical physics were provided by Newton, who was also one of. 20 m/s to the right collides with and sticks to a stationary 0. See also: (ELab): Air Track Collisions for another version of this lab. B Electric Blower for Linear Air. Here’s a great value in a student air track. Determination of acceleration due to gravity 5. Experiment 8 ~ Rotational and Translational Energies For the glider part of the experiment, we used an air track. Inelastic Collisions ΙΙ. Theory: The momentum of a moving body is given by It’s kinetic energy is given by Assuming that there is no loss due to non-conservative forces, the conservation of energy will apply to an isolated system of two bodies undergoing collisions. Experiment: Air Track No Accessories Qty No Accessories Qty 1. In this lab this was analyzed in multiple collision situations. Demonstration: A moving glider on a linear air track collides with a stationary glider, thus giving it some momentum. In a collision of two objects like the air track gliders, their momenta are changed. In a lab experiment, two identical gliders on an air track are held together by a piece of string, compressing a spring between the gliders. The gliders and track are equipped with magnets on each end which can be used to attract or repel the gliders to or from one another (Figure 2). In the previous experiment you have examined the motion of a single object as it underwent a variety of motions on an air track. NOTE: Perform collisions with the gliders moving SLOWLY (no more than 0. How much time will it take a cart to reach the bottom of the track? Assume the cart starts from rest, the track is 1. four times the momentum of the heavier cart. 7 psi (pounds. Connect the datalogger interface to a PC with the software installed. You will measure the time required for the cart to move a measured distance between the two points, as well as the instantaneous velocities of the glider at those two point. Part A: Air Track. the air track (see Fig. 6 - Conservation of Momentum in Collisions 6 Nov 14 Nov 21 Exp. Experiment 9: Momentum Physics is often concerned with what are called \conserved" quantities. If the track is perfectly level, gravity does not affect their collisions, and with the air track's cushion of air beneath the gliders, friction does not affect them either. In other words: In the absence of friction, objects moving along a horizontal track keep moving without slowing down. With the help of an air blower and a digital timer, the air track can be used to experimentally study important physics concepts such as velocity, acceleration, momentum, collision, and kinetic. Open the LoggerPro file "ConservationofMomentum" 1 and connect your two photogates, as described in the Photogate Reference Manual. Kinetic energy will not be conserved in an inelastic collision (kinetic energy is converted into other forms of energy). It is worth noting an important difference between the car collisions and the air track collisions. Quieter -- When using PASCO's Air Supply (SF-9216 Sold Separately)this system is exceptionally quiet (allows the air to be adjusted), and the variable flow to the perfect amount for each experiment. Momentum & Collisions. The purpose of this experiment is to study the Principles of Conservation of Momentum and Conservation of Kinetic Energy. The air track includes everything to perform experiments on: Velocity; Force and acceleration; Potential energy; Kinetic energy; Conservation of energy; Simple harmonic motion; Motion on a level; Motion on inclined planes; Additionally, the track is great for observing and measuring collisions where the conservation of momentum is heavily reduced. Connection between force and momentum: Grav. To calculate speed, all you have to do is divide distance by time. Collisions of two frictionless objects (gliders on a track, also referred to as carts or cars) can be described in terms of momentum (and sometimes energy) conservation. The greater this air friction, the greater the vehicle’s fuel consumption is. BUT the person setting up the track did NOT do a good job at making the track Level(or NOT perfectly horizontal). 2 Air Track Experiment Expt. Use elastic bumpers on the air pucks or CDs so that they will rebound elastically. In each case you will experimentally determine whether momentum is conserved and the extent to which kinetic energy is conserved. For the one collision experiment showing non-conservation, air resistance or an inbalanced track may be the reason behind errors. In a collision of two objects (like the air-track "riders"), their moments are. If there is a big mismatch, try a new car. In the second part of the activity you will use a computer simulation of an air track to study the conservation of momentum of elastic and. Like the one in the first scenario What is the relationship between the initial and final total momentums? Describe the motion of the balls before and after the collision? Part 2-. You will analyze the flnal speed of an air track glider pulled along an air track by a mass hanger and string via a pulley falling unhindered to the ground. 3 - Motion in One & Two Dimensions 3 Oct 10 Oct 17 Exp. connect the Air Track to an air supply, level the track, and adjust the air pressure. Uploaded by. Study Law of Motion using Air Track Experiment and understancd concept of velocity, acceleration, momentum of energy. COM explored through elastic, inelastic collisions and explosions. ) In this lab we are going to use the air track/glider system to investigate the conservation of momentum and kinetic energy during the collision of two objects. Install the bumpers at the opposite sides of the glider separator. Oct 16, 2014 · The assumptions in this experiment is that momentum is not conserved because the desk is an external force that is acting upon the system of the ball, that air resistance was negligible, and that the acceleration of gravity is at 9. • By using the air track, which external force was eliminated? • Is kinetic energy conserved in this case? Why?. You will use two "gliders", one starting off stationary near the middle of the track and one set in motion by an elastic system. Pre-Lab for COLLISIONS ON AN AIR TRACK To complete the pre-lab you should first watch the collisions video located on the course web resources url. It features a two-mass system connected by a string. Momentum Objective In this series of experiments, the conservation of linear momentum and kinetic energy will be tested for different types of collisions. Measure the mass of the ball (m) and catcher arm (M). The first uses the air track, glider, motion and force probes that were used in the Energy laboratory. In each case you will experimentally determine whether momentum is conserved and the extent to which kinetic energy is conserved. If the track is perfectly level, gravity does not affect their collisions, and with the air track's cushion of air beneath the gliders, friction does not affect them either. 719 kg•m/s toward the right B) 0. The masses of the two gliders will then be approximately equal. is defined to be m. c Impulse, momentum, projectile. If you use 500 grams, the force will be 4. Using the initial and final speeds and the known mass of one of the carts, the momentum equation, m 1 v 1i + m 2 v 2i = m 1 v 1f + m 2 v 2 f , will be used to calculate the. 1, using bumpers on the gliders to provide an elastic collision. 199220 For experiments with elastic and inelastic collisions in two dimensions. Our air table reduces the frictional forces in the x-y plane nearly to zero, so we would expect Eq. In the present setup, a triangular section aluminium alloy track, length 200cm, with two row’s of air holes through which air emerge forming air cushion on which the vehicles float. Experiment: Air Track No Accessories Qty No Accessories Qty 1. Practice: Momentum and Energy #1. Set up your air track equipment following the procedures in the \Introduction to the Air Track" document. It is suggested to perform Ex-periment #2 before Experiment #5 and #4 be-fore #6. Momentum, typically denoted by the letter p, is the product of mass m and velocity v. Linear Momentum. Based on my knowledge of collisions, I believed that the collision would have been. Triangular section track made of aluminium with perforations. In their experiments with mercury during 1912-1914, these two scientists confirmed Bohr's hypothesis of discrete atomic energy states and the resulting spectral lines atoms radiate. Experiment # 7: Conservation of Momentum. Group F should conduct the experiment using a level track, while Group G should have the track inclined so the rubber band pulls the cart up the track. 95 mm diameter holes on each side. Place the gliders on the track, turn on the airpump and adjust the slope of the track until they stop drifting along the track. Do not move the air track. Setup Time. Air Track Adjust the mass and velocity of two gliders on a frictionless air track. You must remember that the system is extremely sensitive and should NOT be used carelessly or roughly. The law of conservation of momentum states that the total linear momentum of an isolated system remains constant regardless of changes within the system. 5 by allowing a glider on an air track to pass through a photogate and strike a force sensor. It is worth noting an important difference between the car collisions and the air track collisions. In Part 1 of this second series of experiments with the air track, you will investigate different types of collisions. Consider a head-on collision between two cars. Arrange a metre ruler on the side of the air track. AP Physics 1 Investigation 5: Impulse and Momentum How are force and impulse related to linear momentum and conservation of momentum? Central Challenge In this multipart investigation, students investigate concepts of impulse and momentum both qualitatively and quantitatively. In this experiment, we will use an air track as an essentially frictionless surface. Start with the cars of equal mass. Air Track Friction 1K20. Experiment 5. 2 Air Track Experiment Expt. DESCRIPTION As tank moves forward and backward, air track glider goes in the opposite direction so that the center of mass remains stationary. References. Investigating Momentum During Collisions. Do you have two PocketLab Maker Kit carts, and do you have the free VelocityLab app? Then you are all set to do some experiments in conservation of momentum with PocketLab! This lab discusses how to setup and perform an inelastic collision in which one cart (A) is moving toward another cart (B) that is at rest. Theory: The momentum of a moving body is given by It’s kinetic energy is given by Assuming that there is no loss due to non-conservative forces, the conservation of energy will apply to an isolated system of two bodies undergoing collisions. Uploaded by. air track or dynamics trolleys. All of these measurements and uncertaintiesmustberecorded;however,wewillassumethatδ∆p 1,δ∆p 2,δKE 1,and δKE 2 are the same for all three experiments. ACCELERATION ON AN AIR TRACK Theory: If a mass sliding on a frictionless surface is connected to a hanging mass by a string passing over a pulley, the motion of the two masses is described by the following two equations: T = m 1a and m 2g - T= m 2a Where m 1 is the sliding mass and m 2 is the hanging mass. I will also set up the air track device for your perusal. This experiment allows students to use childhood toys to examine and calculate the muzzle velocity of their favourite water gun by using an air track, a spark timer or data logger and the law of. Measure the mass of each vehicle m1 and m2 respectively, including attachments,. The Force Sensor needs to be calibrated. Determine the best fit equations for the position vs. Material properties; Chemical reactions and stochiometry; The compound water; Air and other gases; Metals and their properties; Non-metals and their properties; Acids, bases and salts; Organic chemistry. (Too little air causes friction; too much air causes energy loss due to glider "flutter. Objective: To observe and understand the conservation of linear motion. In this experiment, you will verify the principle of conservation of linear momentum in a collision of two air track gliders. Our sturdy triangular aluminum track is lightweight yet durable. To demonstrate the change in frequency for two-body oscillations. This is a Lab report for a physics experiment on work and energy on an air track. 5, 5022 Cdrdoba,Argentina and Facultad de Ingenieria, Universidad National de Rio Cuarto. In a collision of two objects (like the air-track "riders"), their moments are. Momentum and Energy in a Collision Today you will investigate the behavior of linear momentum and kinetic energy for two different types of one-dimensional collisions. Do the Experiment : Clear the data from tables 1 & 2 and check your prediction s experimentally. Nonconductor field and potential Capacitors, RC Circuit Air track - Motional Emf, Lenz’ Law 1994 c Cons of En and mom, spring rolling w/o slipping, cons of energy on an incline. Use an air hockey table to investigate simple collisions in 1D and more complex collisions in 2D. Student Exploration: Air Track Vocabulary: air track, approach velocity, conservation of energy, conservation of momentum, elasticity, kinetic energy, momentum, separation velocity, velocity Prior Knowledge Questions (Do these BEFORE using the Gizmo. Use the small, yellow rider. For any given volume, given a limit on max operating pressure, you can store vastly more energy in pressurized air than in pressurized water. Switch on the air pump (black cylinder on the floor). afterwards. Aim: To measure the average speed of an object. 33 - Distance Verified Conservation of Momentum on the Air Track. PROCEDURE: This experiment consists of several parts that slowly build up to an understanding of the driven, damped harmonic oscillator. Conservation of momentum is one of the most important laws in physics and underpins many phenomena in classical mechanics. Bet your cutie a clean room that she can’t blow a rolled up piece of paper towel into an empty bottle. A Linear Air Track Kit (with. The linear momentum ii. The purpose of this experiment is to study the Principles of Conservation of Momentum and Conservation of Kinetic Energy. A fev "call for more expensive apparatus such as lasers, air tracks, microwave sets tectors which may not always be available in class quantities. I also use the 5 meter air track we have rather than carts, but as long as your carts are good that is an implementation detail. In the second part of the activity you will use a computer simulation of an air track to study the conservation of momentum of elastic and. Nov 22, 2013 · Conservation of Momentum Abstract: This experiment involved the use of gliders on an air track which nearly isolates the colliding system from external forces to create low friction totally elastic and inelastic collisions. The purpose if this lab is to look at the collisions between two steel balls and between a marble and steel ball to see if momentum is conserved in both cases Experiment: We will be using a level table with a camera set up above to capture the motion of the two collisions mentioned above. Connect the datalogger interface to a PC with the software installed. Ensure apparatus is set up as before. Conservation of Momentum Lecture - Definitions - A Card Game - Analyzing Online Videos and Graphs: E1402: Two masses on an air track. We will now begin to study momentum conservation in order to best establish an experimental link to Newton's Laws. The air track is also used to study collisions, both elastic and inelastic. m 1v 1B = m 1v 1A + m 2v 2A (1) This is the collision you will test in this experiment. Mechanics begins by quantifying motion, and then explaining it in terms of forces, energy and momentum. Initially, the glider is traveling right. This part of the track will now act as a brake on the vehicle. p = mv, where p = momentum, kg m s-1, m = mass, kg, and v = velocity, ms-1. Constant Velocity Constant Acceleration Measuring Human Reaction Time Personal Acceleration "g" by Strobe Photography Shoot for your Grade (Projectile Motion) Motion in Two Dimensions: Softball Throw. Different runs, where the do and do not stick together are shown. What is the purpose of the air track? It is important that, in the experiment measuring momentum, the target mass must be much larger than. This means that the gliders can be considered as an isolated system. Demonstration: A moving glider on a linear air track collides with a stationary glider, thus giving it some momentum. Vb Ptot = mr. A Linear Air Track Kit (with. Lab For Phys 1151 PHYS 1152. Lately, I've been doing a unit on physics with my boys that I prepared years ago when I taught science classes for homeschoolers. Investigate the basics of conservation of momentum, or take it further with elastic vs. Photogates allow for extremely accurate timing of events within physics experiments, for studying free fall, air track collisions, pendulum periods, the speed of a rolling object, among other things. is just speed in a particular direction. a quantity expressing the motion of a body or system, equal to the product of the mass of a body and its velocity, and for a system equal to the vector sum of the products of mass and velocity of each particle in the system. If the track is level, the cart should stay in place over an extended period. Therefore, the impulse is is - 9. Use the leveling screws to reduce the movement of the cart. Block the ten pairs of air holes nearest the buffer/pulley end of the track with cellotape. If momentum is conserved in this collision, then the total momentum before the collision equals the total momentum after the collision. Questions about any of these labs can be directed to Jim Keefer Density of Liquids, Graphs, Sig. Suggestions. In Part 1 of this second series of experiments with the air track, you will investigate different types of collisions. Physics Question: Net momentum? On a frictionless air track, a 0. Navy has identified the three sailors who died in the shooting at Naval Air Station Pensacola on Friday. edu Physics Slide Show. Description.