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Home Q & A Board Science-Related Homework Help Physics
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einsteindude einsteindude
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9 years ago
Velma, inside a train moving at 20 m/s, throws a rock in the forward direction at 5 m/s. According to her the rock moves at 5 m/s. According to Mort, standing on Earth outside the train, the rock moves at [approximately] 25 m/s. Who is correct?
A) Velma, because she threw the rock.
B) The Wizard of Oz.
C) Neither, because there is no universal "best" reference frame.
D) Mort, because he is standing on Earth.
E) Both, relative to their own reference frames.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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