101-03 - PHYSICS101EXPERIMENT#3 1.

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PHYSICS 101 EXPERIMENT # 3 1. State briefly the law of conservation of linear momentum. 2. 9.Consider a collision of two particles, say A and B, of equal masses. Before the collision, the  speeds of the particles are vA= 2m/s and vB= 5m/s. The speeds after collision are uA=3m/s  and uB=4m/s. Is this collision elastic or inelastic? Justify your answer 3. Neglecting the causes that might lead to slight experimental errors, True or False a. Total linear  momentum should   be conserved  in parts 1 and  3 of the experiment  whereas it will not be conserved in the second part. b. Total kinetic energy should be conserved in all parts of the experiment. c. Total linear momentum should be conserved in all parts of the experiment. 4. Explain the following terms i. Elastic Collision ii. Inelastic Collision iii. Completely inelastic collision 5. Answer the following questions i. write down the kinetic energy relation before and after collision for masses  m 1 moving   velocity   v 1 and   m 2 moving   with   velocity   v 2 colliding   and   moving  together  after collision with velocity  v 3 ii. What happens to the kinetic energy that is not conserved during the collision? 6. Dimension Analysis:   Indicate the dimensions of the following physical quantities. (   The  answers presented in SI units are not accepted )   ( Example;   linear force [F] = [mass] [length] / [time] Do not write Newton or [F] = [kg][m]/[s] linear velocity [v] = linear momentum [p] = energy [E]= center of mass [R] = 7. Center of Mass:  A mass m stays at the origin, a mass 3m stays at ( x, y), and a mass 5m  stays at ( -3x, 2y). Calculate the position of the center of mass of the system. 8. 15.  Two body Collision:  Indicate the kinetic energies and linear momentums of the following  collisions are conserved or not conserved by just filling out the table. Do not explain your  reasons.
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Collision Type Kinetic Energy Linear Momentum Elastic Inelastic Completely Inelastic 9. What is the difference(s)  between inelastic and completely inelastic collisions? Briefly describe 10. In this experiment, we will study three types of collisions; elastic, inelastic and totally inelastic.  Explain briefly. 11. In a frictionless environment two billiard balls collide as i. elastically ii. inelastically iii. totally inelastically 12. In which collision do you expect the linear momentum to be conserved? Why? 13.
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This note was uploaded on 09/28/2010 for the course PHYS 101 taught by Professor Sadık during the Fall '10 term at Izmir Institute of Technology.

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101-03 - PHYSICS101EXPERIMENT#3 1.

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