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ALL PHYSICS DOUBTS - POST HERE !!

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Weaam:

--- Quote from: Shazizzzle on May 26, 2010, 06:02:33 pm ---Are we screwed?  :D

--- End quote ---
If ur talking about the exam then yes, i believe we are

Ivo:
Hey, please can someone explain how you work out Q6)a)iii) for w09.  Link for paper is: http://www.freeexampapers.us/IGCSE/Physics/CIE/2009%20Nov/0625_w09_qp_31.pdf

Weaam:

--- Quote from: A@di on May 26, 2010, 05:58:06 pm ---yes sure, oh abt the (i) part..both towards the center..centrifugal force..

--- End quote ---
ok then, thank yoooou!  :D

Ghost Of Highbury:

--- Quote from: Helium on May 26, 2010, 05:50:24 pm ---From 06 may june,

If anyone would mind telling me how the find  specific latent heat of vaporisation.
When there is  watt heater
I know energy needed to boil water at 100= 2300000(J/kg) * mass in Kg

--- End quote ---

0.05g = 1s
Xg = 20X seconds

120*20x = specific heat of vaporization * X

specific heat ........  = 2400X/X = 2400kJ/kg

33oomar:
Hey guys i really really need help in :
Q2 PAPER 3 MAY/JUNE 2007
CAN SOMEONE PLEASE EXPLAIN IT TO ME ???

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