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einsteindude einsteindude
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A stationary firecracker explodes, breaking into two parts of equal mass.  One part is moving north at 20 m/s.  The velocity of the other part is     

A) impossible to predict without more information.
B) 20 m/s with a direction that's impossible to predict without more information.
C) southward at 20 m/s. 
D) zero.
E) also northward at 20 m/s.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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