You are on a spacecraft traveling away from the earth at 0.75 c�. A beacon on earth flashes exactly once per second. From your point of view, what is the time between one flash reaching your ship and the next? answer=4.0s From your point of view, what is the time between one flash reaching your ship and the next? answer= 2.6s   How did they get these??  IF your able to understand how mastering go these please show me how to solve it using .80 instead of .75 ANSWER IS NOT 1 or 1.67

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You are on a spacecraft traveling away from the earth at 0.75 c�. A beacon on earth flashes exactly once per second.

From your point of view, what is the time between one flash reaching your ship and the next?

answer=4.0s

From your point of view, what is the time between one flash reaching your ship and the next?

answer= 2.6s

 

How did they get these??

 
IF your able to understand how mastering go these please show me how to solve it using .80 instead of .75

ANSWER IS NOT 1 or 1.67

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