Question about Einstein postulates and relativity:
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From: Khattak on 12 Apr 2010 00:08 Let a spaceship of width 30, 00,000 km and length say 10 meter (adjusted with length contraction) is moving with 0.9c. Let a beam of light/ pulse is moving perpendicular to the direction of spaceship. For simplicity assume a pulse of light travel from north to south and spaceship is moving from east to west. After sometime the same pulse of light Strikes and enters spaceship through its one longitudinal side of 10 m Travel inside spaceship and then Leaves the spaceship through its other longitudinal side Can we trace the path of pulse for both inside and outside observer while keeping in mind the Einstein postulates? Thanks
From: Inertial on 12 Apr 2010 00:14 "Khattak" <zarmewa(a)gmail.com> wrote in message news:18eb13b9-ecf4-4757-b12c-5d4f74071f16(a)u31g2000yqb.googlegroups.com... > Let a spaceship of width 30, 00,000 km and length say 10 meter > (adjusted with length contraction) is moving with 0.9c. Let a beam of > light/ pulse is moving perpendicular to the direction of spaceship. > For simplicity assume a pulse of light travel from north to south and > spaceship is moving from east to west. After sometime the same pulse > of light > Strikes and enters spaceship through its one longitudinal side of 10 m > Travel inside spaceship and then > Leaves the spaceship through its other longitudinal side > Can we trace the path of pulse for both inside and outside observer > while keeping in mind the Einstein postulates? Thanks spammer
From: BURT on 12 Apr 2010 00:30 On Apr 11, 9:14 pm, "Inertial" <relativ...(a)rest.com> wrote: > "Khattak" <zarm...(a)gmail.com> wrote in message > > news:18eb13b9-ecf4-4757-b12c-5d4f74071f16(a)u31g2000yqb.googlegroups.com... > > > Let a spaceship of width 30, 00,000 km and length say 10 meter > > (adjusted with length contraction) is moving with 0.9c. Let a beam of > > light/ pulse is moving perpendicular to the direction of spaceship. > > For simplicity assume a pulse of light travel from north to south and > > spaceship is moving from east to west. After sometime the same pulse > > of light > > Strikes and enters spaceship through its one longitudinal side of 10 m > > Travel inside spaceship and then > > Leaves the spaceship through its other longitudinal side > > Can we trace the path of pulse for both inside and outside observer > > while keeping in mind the Einstein postulates? Thanks > > spammer Atom's physics never go flat. Distance contraction is fallible. There are no flat atoms. Mitch Raemsch
From: dlzc on 12 Apr 2010 00:36 On Apr 11, 9:08 pm, Khattak <zarm...(a)gmail.com> wrote: > Let a spaceship of width 30, 00,000 km and length > say 10 meter (adjusted with length contraction) > is moving with 0.9c. Let a beam of light/ pulse is > moving perpendicular to the direction of spaceship. > For simplicity assume a pulse of light travel from > north to south and spaceship is moving from east > to west. After sometime the same pulse of light > Strikes and enters spaceship through its one > longitudinal side of 10 m Travel inside spaceship > and then Leaves the spaceship through its other > longitudinal side > Can we trace the path of pulse for both inside > and outside observer while keeping in mind the > Einstein postulates? Thanks Yes. Inside the ship it moves straight north south. Outside the ship (at rest), it moves along with the ship... and north and south. And here I thought you were going to start this joke... http://www.supercubs.org/phpbb2/viewtopic.php?t=4958 David A. Smith
From: Inertial on 12 Apr 2010 00:47
"dlzc" <dlzc1(a)cox.net> wrote in message news:9517f193-906f-4a91-b7c8-4221182a2cd8(a)h27g2000yqm.googlegroups.com... > On Apr 11, 9:08 pm, Khattak <zarm...(a)gmail.com> wrote: >> Let a spaceship of width 30, 00,000 km and length >> say 10 meter (adjusted with length contraction) >> is moving with 0.9c. Let a beam of light/ pulse is >> moving perpendicular to the direction of spaceship. >> For simplicity assume a pulse of light travel from >> north to south and spaceship is moving from east >> to west. After sometime the same pulse of light >> Strikes and enters spaceship through its one >> longitudinal side of 10 m Travel inside spaceship >> and then Leaves the spaceship through its other >> longitudinal side >> Can we trace the path of pulse for both inside >> and outside observer while keeping in mind the >> Einstein postulates? Thanks > > Yes. Inside the ship it moves straight north south. Nope .. not from the description given. There will be aberration. > Outside the ship > (at rest), it moves along with the ship... and north and south. Outside the ship it moves the same as inside the ship, from the same observers point of view. > And here I thought you were going to start this joke... > http://www.supercubs.org/phpbb2/viewtopic.php?t=4958 Not a very funny joke, if it was meant as one at all. Unless I missed something humorous in it. > David A. Smith |