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a 20,000kg railroad car is

A group of 4 rail cars with a total mass of 50,000kg moves at 3m/s at a stationary locomotives that has a mass of 10,000kg. What
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2. asked by MJW
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A 12,000kg railroad car traveling at 12.0m/s couples with an identical car sitting on the tracks. What is the speed of the
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2. asked by Shon
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a 20,000kg railroad car is traveling at 3m/s when it collides and couples with a second, identical car at reat. What is the
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2. asked by amy
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The first railroad to carry freight and passengers was the:Baltimore and Ohio Railroad South Carolina Railroad Portage Railroad
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Which railroad company utilized the land acquired through the Gadsden Purchase to build a transcontinental railroad? (1 point).a
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In 1862, President Lincoln signed the Pacific Railroad Act, which led to the building of theA: Underground Railroad. B: eastern
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2. asked by Uncle Roger
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In 1862,: President Lincoln signed the pacific railroad act which led to the building of theA. Underground Railroad B. Eastern
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2. asked by SARAH
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Check all that apply.What two companies began building railroads that would join to complete a transcontinental route? Central
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Which railroad company utilized the land acquired through the Gadsden Purchase to build a transcontinental railroad?(1 point)Res
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2. asked by whats my name
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A freight train has two engines, each with a mass of 50,000kg, pulling 15 freight cars, each having a mass of 40,000kg.The
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2. asked by Pious
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