Find the loss of kinetic energy during collision

Reference no: EM13490838

A railroad freight car weighing 289 kN and traveling at 1.52 m/s overtakes one weighing 207 kN and traveling at 0.910 m/s in the same direction. The cars couple together.

(a ) Find the speed of the cars after collision.

___m/s

(b) Find the loss of kinetic energy during collision.

___N·m

Reference no: EM13490838

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