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Home Q & A Board Science-Related Homework Help Physics
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Pd96 Pd96
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7 years ago
A railroad car collides with and sticks to an identical railroad car that is initially at rest. After the collision, the kinetic energy of the system
A) is the same as before.
B) is half as much as before.
C) is one third as much as before.
D) is one fourth as much as before.
E) is one quarter as much as before.
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
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#1
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7 years ago
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Pd96 Author
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7 years ago
You make an excellent tutor!
Butwhy
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This helped my grade so much Perfect
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Thanks
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