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einsteindude einsteindude
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Posts: 5058
9 years ago
Velma is in a train moving eastward at 20 m/s. She throws a ball toward the rear of the train, throwing it at her normal "throwing speed" of 20 m/s. What is Mort's observation, regarding the ball?
A) It moves westward at 20 m/s.
B) It moves westward at 40 m/s.
C) It moves eastward at the same speed of the train, just keeping up with the train.
D) It moves eastward at 40 m/s.
E) It falls straight down.
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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