![]() ![]() Object Mass (kg) 0.512 Before Collision Vaverage paverage KE average (m/s) 3.51 After Collision Vaverage Paverage KE average (m/s) 0.03 Cart 1 Cart 2 0.508 0.01 3.49 Total Analysis: Calculate the average momentum of Cart 1 and Cart 2 before and after collision. Perform an elastic collision using the same procedure as described above for the inelastic collision. Set Cart 1 at one end of the track and Cart 2 near the center 3. Orient two collision carts so that when they will not "stick" together following impact. How does Pinitial compare with prinal? How does KEinitial compare with KE final? Part B: An Elastic Collision Introduction: In this section, you will set-up and perform motion analysis on an elastic collision to analyze the momentum and energy transfer that occurs between the two collision carts. Before Collision After Collision Object Mass Vaverage Pinitial Vaverage Pfinal KE final (kg) (m/s) (m/s) Cart 1 0.512 3.17 1.58 KEinitial Cart 2 0.508 0.02 1.60 Total Analysis: Calculate the average momentum and average kinetic energy of Cart 1 and Cart 2 before and after collision. Begin data collection then gently push Cart 1 toward Cart 2. Set Cart 1 at one end of the track and Cart 2 near the center 5. Orient two collision carts so that when they will "stick" together during impact. Measure the mass of each cart and record in the table below. Part A: Inelastic Collisions In this section, you will set-up and perform motion analysis on an inelastic collision to analyze the momentum and energy transfer that occurs between the two collision carts. Calculate Ap and AKE for the 2-object system. Determine the final velocity for the 2-object system. Inelastic Collision 1.5 m/s vf m1 m2 mi m2 Q1. A moving object (0.60kg) collides with an object (0.90kg) at rest, as shown below. #Impulsive force model momentum in collisions lab answers pro#Using Logger Pro to develop velocity-time graphs, you will analyze the collisions (before, during 1Īnd after impact) and explore the linear momentum and energy transfer associated with the impact. + mv Final Linear Momentum = Initial Linear Momentum For this experiment, you will explore the momentum transfer between two dynamics carts for different collisions, both elastic and inelastic, along a flat, level collision track. We refer to this relationship as the Law of Conservation of Linear Momentum: P= Patio P + P = p. Each mass-velocity is referred to the linear momentum vector for the mass at that specific velocity: Linear momentum: p = mv Therefore, the sum of the linear momentum of the two masses after colliding is equal to the sum of their linear momenta prior to impact. + m,V21 As can be observed, the force interaction between the colliding masses can be reduced to an expression of initial and final mass-velocity pairs. This simplifies the above equation to the following: m (v - v.) = - m (V2 - V) = m. ![]() For a 1-D collision, this would be expressed as: V-V Var - Va ma=-m,a m = -m Δt, Δt, med on 2 Not only are the corresponding impact forces equal in magnitude but the impact time, At, is the same for both forces as well, At = Atı = Atz. During a collision where the impact force on each mass, respectively, IS the net force on that object. According to Newton's 2nd Law, net force exerted on a mass is equal to mass times the time rate of its velocity change. the greater the mass the lower the acceleration and vice versa.). However, the response of each mass due the F2 on 1 impact force exerted on it will depend on its mass (i.e. the impact forces are action-reaction force m2 pairs. Transcribed image text: Experiment: Momentum & Impulse in Collisions Objectives: To utilize momentum carts to investigate the nature of different types of collisions To explore the principle of linear momentum conservation both graphically and numerically To measure linear momentum and kinetic energy transferred during an elastic and inelastic collision 2-Body Collision Introduction When masses collide, the forces associated with the impacting bodies are always equal but oppositely directed, i.e. ![]()
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