Space ship traveling time from tail to nose help

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SUMMARY

The discussion focuses on calculating the time it takes for a spaceship, specifically the Orion, to travel from its tail to its nose while moving at a speed of 0.385c. The user initially miscalculated the time by using the wrong distance, failing to account for the length contraction of 923m. The correct approach involves recognizing that the time calculated should reflect the entire length of the spaceship, not just the distance from tail to nose. The user acknowledged the mistake after receiving clarification.

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Homework Statement


question
2hoiqol.jpg


Solution
mm50yc.jpg


Homework Equations


given in the problem


The Attempt at a Solution



i did the question exactly like how they did it. expect i did not add the length contraction of 923m to 1000m, then find time.. what i did was find the speed with respect to me which was 0.385c
so d=vt t =d/v= 8.8*10-6 s

can some one tell me where i went wrong.pls.

thanks in advance
 
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seto6 said:
i did the question exactly like how they did it. expect i did not add the length contraction of 923m to 1000m, then find time.. what i did was find the speed with respect to me which was 0.385c
so d=vt t =d/v= 8.8*10-6 s
You used the wrong distance. You found the time for the nose of Orion to go from the tail to the nose of Sirius, but that's not the same as for Orion to completely pass. Draw a diagram for yourself (or just study the one given).
 
oh i see i got it thanks Doc
 

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