A railroad car of mass 2.5 x 104 kg is moving at a speed of 4.00 m/s. It collides and couples with three other coupled railroad cars, each with the same mass as the single car, moving in the opposite direction at 2.00 m/s. (a) What is the speed of the four coupled cars after the collision? (b) How much energy is lost in the collision?
A railroad car of mass 2.5 x 104 kg is moving at a speed of 4.00 m/s. It collides and couples with three other coupled railroad cars, each with the same mass as the single car, moving in the opposite direction at 2.00 m/s. (a) What is the speed of the four coupled cars after the collision? (b) How much energy is lost in the collision?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
Section: Chapter Questions
Problem 15P
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A railroad car of mass 2.5 x 104 kg is moving at a speed of 4.00 m/s. It collides and couples with three other coupled railroad cars, each with the same mass as the single car, moving in the opposite direction at 2.00 m/s. (a) What is the speed of the four coupled cars after the collision? (b) How much energy is lost in the collision?
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