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Problem 21:   A railway car with a mass of 3760kg moves along horizontal tracks at a constant speed of 4.66m/s . It rolls under a grain terminal, which dumps grain directly down into the freight car after which the car's speed decreases by 2.93m/s . What is the mass, in kilograms, of the grain dumped into the car?

Problem 21:   A railway car with a mass of 3760kg moves along horizontal tracks at a constant speed of 4.66m/s . It rolls under a grain terminal, which dumps grain directly down into the freight car after which the car's speed decreases by 2.93m/s . What is the mass, in kilograms, of the grain dumped into the car?

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter10: Systems Of Particles And Conservation Of Momentum
Section: Chapter Questions
Problem 44PQ: Problems 44 and 45 are paired. C A model rocket is shot straight up. As it reaches the highest point...
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Problem 21:   A railway car with a mass of 3760kg moves along horizontal tracks at a constant speed of 4.66m/s . It rolls under a grain terminal, which dumps grain directly down into the freight car after which the car's speed decreases by 2.93m/s .

What is the mass, in kilograms, of the grain dumped into the car? 

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