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Physics, 26.10.2019 04:43 kerarucker12pe384k
Freight car a with a gross weight of 200,000 lbs is moving along the horizontal track in a switching yard at 4 mi/hr. freight car b with a gross weight of 100,000 lbs and moving at 6 mi/hr overtakes car a and is coupled to it. determine: (a) the common velocity v of the two cars as they move together after being coupled, and (b) the loss of energy |de| due to the impact.
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Freight car a with a gross weight of 200,000 lbs is moving along the horizontal track in a switching...
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