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Home Q & A Board Science-Related Homework Help Physics
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urraberry urraberry
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5 months ago

If a spaceship of proper length 40 m is measured to have a length 30 m, how fast is it moving?



▸

0.50 c



▸

0.81 c



▸

0.75 c



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0.66 c



▸

0.43 c

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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moqamoqamoqamoqa
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5 months ago
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urraberry Author
wrote...

5 months ago
Good timing, thanks!
jasonbourne
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
asd454512
wrote...

2 hours ago
Thanks for your help!!
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