4m/s -2m/s6kg←3 kg(1) Explain why momentum is always conserved in a collision. Iskinetic energy always conserved? Explain with an example ifneeded.to looldTwo marbles collide as shown in the laboratory frame with thefirst mass (6kg) is moving at 4m/s and the second mass (3kg) moving → at -2m/s (against x).(i) Calculate the final velocities of each mass in the lab frame after the collision, if it is elastic.(ii) Show that momentum is conserved (it is a vector) after the collision in the lab frame.(iii) Calculate kinetic energies before and after the collision and confirm that it is conserved.(iv) If the two masses partly stick together after the collision with a coefficient of restitution ofK=0.5, calculate the overall kinetic energy lost in the collision in the lab frame only.(v) Is momentum conserved or not in the lab frames? Prove your statement.x

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Is (1) Explain why momentum is always conserved in a collision. kinetic energy always conserved? Explain with an example needed. if to loold.sv

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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