Energy transfer, not sure how to do

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SUMMARY

The discussion centers on a physics problem involving a collision between a moving railroad car and a stationary one. The first car, weighing 27,000 kg and traveling at 2.7 m/s, collides with a stationary car weighing 9,300 kg, which then moves in the opposite direction at 0.6 m/s. The solution requires applying the principle of conservation of momentum to determine the velocity of the empty car post-collision. The problem is classified as a perfectly inelastic collision.

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  • Understanding of conservation of momentum
  • Knowledge of inelastic collisions
  • Basic algebra for solving equations
  • Familiarity with mass and velocity concepts
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  • Learn about perfectly inelastic collisions and their characteristics
  • Practice solving problems involving mass and velocity calculations
  • Explore real-world applications of momentum in physics
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Students studying physics, particularly those focusing on mechanics and collision problems, as well as educators looking for examples of momentum conservation in action.

GunarsA
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Homework Statement


1) 27,000 kg railroad car moving at 2.7 m/s hits a railroad car (stationary) weighing 9,300 kg. Heavy railroad car goes opposite direction at .6 m/s. How fast will the empty car go?


Homework Equations


no clue


The Attempt at a Solution



No idea where to start with this
 
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Hi GunarsA :smile:

Welcome to PF !

did you try Using conservation of momentum??​
 
This sound like a coughinelasticcollisioncough problem :)
 

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