What is the decrease in kinetic energy during the collision

Reference no: EM1353201

Q. A railroad car with a mass of 2.46 x 10^4 kg moving at 3.25 m/s collides and joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.49 m/s.

A) What is the final speed of the three joined cars after the collision?

B) What is the decrease in kinetic energy during the collision?

Reference no: EM1353201

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