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A railroad freight car weighing 31.8 tons and traveling at 5.20 ft/s overtakes one weighing 24.2 tons and traveling at 2.90 ft/s in the same direction. (a) Find the speeds of the cars after collision if the cars couple together. (b) If instead, as is very unlikely, the collision is elastic, find the speeds of the cars after collision

A railroad freight car weighing 31.8 tons and traveling at 5.20 ft/s overtakes one weighing 24.2 tons and traveling at 2.90 ft/s in the same direction. (a) Find the speeds of the cars after collision if the cars couple together. (b) If instead, as is very unlikely, the collision is elastic, find the speeds of the cars after collision

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
7 years ago
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