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Compute all parts of given question:
Question: A railroad car of mass 2.6 104 kg moving at 5.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s.
Part A: What is the speed of the three coupled cars after the collision?
Part B: How much kinetic energy is lost in the collision?
I need help to determine the speed of the three coupled cars after the collision.
The spacing between two closely spaced oppositely charged parallel plates is decreased. Explain what happens to the electrostatic potential difference between the plates
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