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Mark sees Anna moving eastward at 2.50 x 10^8 m/s. At the same time, Anna sees Rachel moving eastward at 2.50 x 10^8 m/x.

What is Rachel's speed as measured by Mark?
A) 0.00 x 10^8 m/s
B) 2.50 x 10^8 m/s
C) 2.95 x 10^8 m/s
D) 5.00 x 10^8 m/s

User Kalitsov
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1 Answer

4 votes

Answer:

The answer is D

Explanation:

User Paperhorse
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