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einsteindude einsteindude
wrote...
Posts: 5058
9 years ago
Velma is in a train moving north at 20 m/s. She throws a stone toward the rear of the train, at 5 m/s relative to herself. Mort, standing beside the tracks, sees the stone move
A) north at 15 m/s.
B) north at 25 m/s.
C) north at 20 m/s.
D) south at 25 m/s.
E) south at 15 m/s.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
Read 212 times
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9 years ago
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