Frame S' Moves in the Positive X Direction at 0

question 11

Multiple Choice

Frame S' moves in the positive x direction at 0.6c with respect to frame S.A particle moves in the positive x direction at 0.4c as measured by an observer in S'.The speed of the particle as measured by an observer in S is:

• A)c/5
• B)5c/19
• C)8c/25
• D)25c/31
• E)c

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