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Author Topic: Physics Discussion HERE ONLY!  (Read 33105 times)

Offline leebux101

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Re: Physics Discussion HERE ONLY!
« Reply #255 on: June 07, 2009, 06:58:53 am »
i wrote the answer as aluminium and for the diode one...i did A...i dont noe if the dioide one is correct tho.....
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Offline 17

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Re: Physics Discussion HERE ONLY!
« Reply #256 on: June 07, 2009, 07:01:21 am »
Quote from: Bakhtawar on June 07, 2009, 06:58:53 am
i wrote the answer as aluminium and for the diode one...i did A...i dont noe if the dioide one is correct tho.....
no it is steel, they have the same expansivity because aluminum expands more damaging the building and as for the diode yest the ANSWER IS A :D
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Offline Christy

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Re: Physics Discussion HERE ONLY!
« Reply #257 on: June 07, 2009, 07:01:48 am »
well it is correct ... i asked my tution sir and he has the paper .... he said its A ... and besides its got to be A cause A gives the only direction for red ..... so basically its A
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Offline leebux101

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Re: Physics Discussion HERE ONLY!
« Reply #258 on: June 07, 2009, 07:05:13 am »
r u sure its A like completely completely absolutely sure its A......
but if u put steell which has the same expansitivity as concrete, then wuts the point...its gna expand as much as steel....so it wont lock into the concrete....whereas aluminium will lock into concrete and besides concrete is much more stronger than aluminium so aluminium cant harm the buliding....
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Offline 17

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Re: Physics Discussion HERE ONLY!
« Reply #259 on: June 07, 2009, 07:08:27 am »
Quote from: Bakhtawar on June 07, 2009, 07:05:13 am
r u sure its A like completely completely absolutely sure its A......
but if u put steell which has the same expansitivity as concrete, then wuts the point...its gna expand as much as steel....so it wont lock into the concrete....whereas aluminium will lock into concrete and besides concrete is much more stronger than aluminium so aluminium cant harm the buliding....
yeah we are sure


it doesn't go that way, the point is that when concrete has to expand, steel will expand by exactly the same amount per meter, so this means that there is no negative effect on the structure, but if aluminum was used then, if concrete was to expand by 1cm for example, then aluminum will expand by 2 cm for example, meaning that it will pop out of the concrete block and haha maybe into the above floor!! get it!! :P
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Offline leebux101

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Re: Physics Discussion HERE ONLY!
« Reply #260 on: June 07, 2009, 07:11:02 am »
concrete is much stronger than aluminium...it wont let tht happen....anyways wutever its past now...gta prepare for wuts coming...good luck if u r giving bio tomorow....
and Thanks for the diode thing...
+rep!!
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Offline 17

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Re: Physics Discussion HERE ONLY!
« Reply #261 on: June 07, 2009, 07:14:02 am »
Quote from: Bakhtawar on June 07, 2009, 07:11:02 am
concrete is much stronger than aluminium...it wont let tht happen....anyways wutever its past now...gta prepare for wuts coming...good luck if u r giving bio tomorow....
and Thanks for the diode thing...
+rep!!
sure and yeah its past now BYE gd luck to u to , thanks
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Offline thukon

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Re: Physics Discussion HERE ONLY!
« Reply #262 on: June 07, 2009, 07:18:12 am »
Quote from: Bakhtawar on June 07, 2009, 07:11:02 am
concrete is much stronger than aluminium...it wont let tht happen....anyways wutever its past now...gta prepare for wuts coming...good luck if u r giving bio tomorow....
and Thanks for the diode thing...
+rep!!
If the concrete doesnt allow the exapnsion of alumnium, the aluminium will possibly shatter. And besides, the metal doesnt have to "lock into place" or anything. Its just reinforces the concrete. The way our bones reinforce our legs. If our bones expand more than our legs when heated, they would soon pop out through our hip.
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Offline 17

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Re: Physics Discussion HERE ONLY!
« Reply #263 on: June 07, 2009, 07:19:36 am »
Quote from: thukon on June 07, 2009, 07:18:12 am
Quote from: Bakhtawar on June 07, 2009, 07:11:02 am
concrete is much stronger than aluminium...it wont let tht happen....anyways wutever its past now...gta prepare for wuts coming...good luck if u r giving bio tomorow....
and Thanks for the diode thing...
+rep!!
If the concrete doesnt allow the exapnsion of alumnium, the aluminium will possibly shatter. And besides, the metal doesnt have to "lock into place" or anything. Its just reinforces the concrete. The way our bones reinforce our legs. If our bones expand more than our legs when heated, they would soon pop out through our hip.
hahah EXACTLY!!!! :P
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Offline leebux101

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Re: Physics Discussion HERE ONLY!
« Reply #264 on: June 07, 2009, 07:23:14 am »
Quote from: 17 on June 07, 2009, 07:19:36 am
Quote from: thukon on June 07, 2009, 07:18:12 am
Quote from: Bakhtawar on June 07, 2009, 07:11:02 am
concrete is much stronger than aluminium...it wont let tht happen....anyways wutever its past now...gta prepare for wuts coming...good luck if u r giving bio tomorow....
and Thanks for the diode thing...
+rep!!
If the concrete doesnt allow the exapnsion of alumnium, the aluminium will possibly shatter. And besides, the metal doesnt have to "lock into place" or anything. Its just reinforces the concrete. The way our bones reinforce our legs. If our bones expand more than our legs when heated, they would soon pop out through our hip.
hahah EXACTLY!!!! :P
alryt ppl fine u win.....i lost more marks...Thanks for making me feel btr...
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Offline Christy

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Re: Physics Discussion HERE ONLY!
« Reply #265 on: June 07, 2009, 07:24:58 am »
so wait answer is aluminum ??
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Offline leebux101

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Re: Physics Discussion HERE ONLY!
« Reply #266 on: June 07, 2009, 07:25:44 am »
Quote from: Christy on June 07, 2009, 07:24:58 am
so wait answer is aluminum ??
i wrote tht but apparently ppl dont think so..
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Offline Christy

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Re: Physics Discussion HERE ONLY!
« Reply #267 on: June 07, 2009, 07:26:48 am »
DAMNNNNNNNNN !!!!!!

well i just have to say .. u guys are not CIE sooo im not listening to u  :P

jokes !!!!

hope its aluminum
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Offline leebux101

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Re: Physics Discussion HERE ONLY!
« Reply #268 on: June 07, 2009, 07:27:42 am »
Quote from: Christy on June 07, 2009, 07:26:48 am
DAMNNNNNNNNN !!!!!!

well i just have to say .. u guys are not CIE sooo im not listening to u  :P

jokes !!!!

hope its aluminum
lol!!! i agree...and i hope its aluminium as well....
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Offline Christy

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Re: Physics Discussion HERE ONLY!
« Reply #269 on: June 07, 2009, 07:32:36 am »
me and Bakhtawar will go on strike just for this question :P
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