A railroad car of mass M moving at a speed v1 collides and couples with two coupled railroad cars, each of the same mass M and moving in the same direction at a speed v2.(a) What is the speed vf of the three coupled cars after the collision in terms of v1 and v2?vf = (b) How much kinetic energy is lost in the collision? Answer in terms of M, v1, and v2.KEi − KEf =

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Description: A railroad car of mass M moving at a speed v1 collides and couples with two coupled railroad cars, each of the same mass M and moving in the same direction at a speed v2.(a) What is the speed vf of the three coupled cars after the collision in terms

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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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A railroad car of mass M moving at a speed v₁ collides and couples with two coupled railroad cars, each of the same mass M and moving in the same direction at a speed v₂.

(a) What is the speed v_f of the three coupled cars after the collision in terms of v₁ and v₂?

v_f =

(b) How much kinetic energy is lost in the collision? Answer in terms of M, v₁, and v₂.
KE_i − KE_f =

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