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Home Q & A Board Science-Related Homework Help Physics
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Brelou Brelou
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7 years ago
A freight car moves along a frictionless level railroad track at constant speed.  The freight car is open on top.  A large load of coal is suddenly dumped into the car.  What happens to the speed of the freight car?
A) It increases.
B) It remains the same.
C) It decreases.
D) It becomes zero.
E) Cannot be determined from the information given.
Textbook 
Physics

Physics


Edition: 4th
Author:
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Quantum physics thus reveals a basic oneness of the universe.
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Raj.SRaj.S
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7 years ago
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Brelou Author
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7 years ago
You make an excellent tutor!
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This site is awesome
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Thanks
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