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einsteindude einsteindude
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Posts: 5058
9 years ago
Mort, who is standing on the ground, throws a ball at 20 m/s eastward as measured by him. What is the ball's velocity relative to Velma, who is in a train moving eastward past Mort at 70 m/s?
A) 90 m/s eastward
B) 50 m/s westward
C) 70 m/s westward
D) 50 m/s eastward
E) 90 m/s westward
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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mel!811mel!811
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Posts: 2794
9 years ago
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