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einsteindude einsteindude
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Posts: 5058
8 years ago
Velma is in a train moving eastward at 70 m/s. She throws a ball toward the rear of the train, throwing it at her normal "throwing speed" of 20 m/s. The ball's velocity relative to Mort, who is standing beside the tracks, is
A) 50 m/s westward.
B) 20 m/s eastward.
C) 50 m/s eastward.
D) 90 m/s eastward.
E) 20 m/s westward.
Textbook 

Conceptual Physical Science


Edition: 6th
Authors:
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mel!811mel!811
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Posts: 2792
8 years ago
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