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A railroad car fo Mass M=2000kg and speed V0= 8.50m/s collides and couples to another car of equal mass and initially at rest.
What is the final speed of the two couple railroad cars?
How much energy is lost during the collision?
q1. a superconducting solenoid is to be designed to have an interior field of b 29t with a maximum current of i1000a.
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