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| Tags: acceleration, relative, speed |
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#1
August 27th 06
posted to sci.physics.relativity
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Relative speed and relative acceleration
We all know what speed and acceleration mean. And most of us seem to
understand relative speed. But how about relative acceleration? It means acceleration that is acceleration only for some observers. And it means that it cannot be real acceleration. Acceleration in space is real if use motor power and if we can feel the acceleration. Otherwise it is relative acceleration. Objects falling in space are not in accelerating motion. http://www.wakkanet.fi/~fields/ Henry Haapalainen 
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#2
August 27th 06
posted to sci.physics.relativity
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Relative speed and relative acceleration
Henry Haapalainen wrote: We all know what speed and acceleration mean. And most of us seem to understand relative speed. But how about relative acceleration? It means acceleration that is acceleration only for some observers. And it means that it cannot be real acceleration. Acceleration in space is real if use motor power and if we can feel the acceleration. Otherwise it is relative acceleration. Objects falling in space are not in accelerating motion. http://www.wakkanet.fi/~fields/ Henry Haapalainen xxein: Good pov. Follow the energy-space. Yes. Feel it if you accelerate otherwise.
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#3
August 27th 06
posted to sci.physics.relativity
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Relative speed and relative acceleration
"Henry Haapalainen" wrote in message . .. We all know what speed and acceleration mean. And most of us seem to understand relative speed. But how about relative acceleration? It means acceleration that is acceleration only for some observers. Nope - accelration is relativ eto inertial frames by cvonvention. And it means that it cannot be real acceleration. Acceleration in space is real if use motor power and if we can feel the acceleration. Otherwise it is relative acceleration. See above. Objects falling in space are not in accelerating motion. Relative to an inertial frame they may be. Bill http://www.wakkanet.fi/~fields/ Henry Haapalainen
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