Answered: Car A and Car B are traveling in the…

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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Car A and Car B are traveling in the same direction (call it i^), with B behind A, and initial speeds vA=5.6 m/s, and vB = 6 m/s. The cars have identical mass m=103 kg, and they experience an elastic collision. Now, this collision is observed by a third person traveling in a car with constant velocity v=6 m/s, traveling in the same direction as the two cars. From the point of view of this person calculate the following: The initial momentum of car A Group of answer choices -5600î kg m/s -400î kg m/s 400î kg m/s 5600î kg m/s The final momentum of car B (you might want to first calculate the final velocity of car B relative to the ground) Group of answer choices 400î kg m/s - 400î kg m/s 6000 kg m/s -6000 kg m/s 0 The total final kinetic energy: Group of answer choices 33.7 J 80 J 33.7 kJ 80 kJ The total final kinetic energy as measured from the ground Group of answer choices 80 kJ 33.7 J 80 J 33.7 kJ

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