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hawksmere's Profile User Rating: -----

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Physics (31 posts)
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User is offline Apr 27, 2012
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Quark
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hawksmere  leaks at the LHC were to raise awareness? James Gillies denies but CERN have certainly got people talking. descuss...

May 27, 2011

ajb's Photo
ajb  May 27, 2011
Post in the main physics board if you want to get a discussion going.
hawksmere's Photo

hawksmere  If one was on a plane, which was travelling at say 700 m.p.h and walked from the back of the plane to the first at say 3 m.p.h are they then travelling at 703 m.p.h??

May 25, 2011

LiquidMentality's Photo
LiquidMentality  May 25, 2011
Correct, relative to the ground, you would be travelling at 703 mph. However, relative to the plane, you would be travelling at only 3 mph.
hawksmere's Photo
hawksmere  May 25, 2011
so if in a super space shuttle travelling at the speed of light, relative to the universe, not the vehicle. would the person be travelling quicker then the speed of light?
ajb's Photo
ajb  May 25, 2011
You cannot simply add velocities in truth. When the speeds are near the speed of light you need to use the relativistic addition formula. The astronaut will always be measured to be travelling <c by any inertial observer.

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hawksmere  replied to Weirdmaskman's  status
May 27, 2011

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