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ALL PHYSICS DOUBTS - POST HERE !!

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winnie101:
could someone plz explain to me ques. 5,7,15,18,20,and 29 form m/j 2009 paper 1 physics cie AS level
Thanks

Snake:

--- Quote from: winnie101 on May 06, 2010, 09:58:37 pm ---could someone plz explain to me ques. 5,7,15,18,20,and 29 form m/j 2009 paper 1 physics cie AS level
Thanks

--- End quote ---

Wrong place to post I think. Post your question again here https://studentforums.biz/index.php/board,82.0.html

Snake:

--- Quote from: The Mysterious Dude on May 06, 2010, 07:06:53 pm ---That is correct.

--- End quote ---

So why do they use 0.5AT^2? maybe he confused it with 0.5MV^2 (For Kinetic Energy)?
Woo Now I'm confused :S

nid404:

--- Quote from: Snake on May 07, 2010, 12:02:02 am ---So why do they use 0.5AT^2? maybe he confused it with 0.5MV^2 (For Kinetic Energy)?
Woo Now I'm confused :S

--- End quote ---


huh?

distance is given by ut+1/2at2

k.e= 1/2 mv2

nid404:

--- Quote from: Hesham Mhd on May 06, 2010, 09:48:43 pm ---Can any1 plz explain the thermal expansion? And What expands more.. solids, liquids or gases and why? Thanks in advance

--- End quote ---

Thermal expansion is a lot in itself.

http://www.docbrown.info/page03/3_52states.htm   excellent stuff.

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