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Recent content by helpmee

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AS/A2 Results (16th August 2012)

how can i do the re-evaluation thing??
- helpmee
- Post #51
- Aug 17, 2012
- Forum: A-Levels
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How is your preperation for Chem Unit 2 ???

scumbag wikipedia
- helpmee
- Post #11
- May 22, 2012
- Forum: A-Levels
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How is your preperation for Chem Unit 2 ???

met2aked ya zalameh? C-H polar w thanx for explaining
- helpmee
- Post #9
- May 22, 2012
- Forum: A-Levels
H
How is your preperation for Chem Unit 2 ???

ppl is C-H bond polar C-Cl and C-Br are they polar?? and how do u know whether thay are polar or not ? why H2O has a higher melting point than NH3?? thanx in advance
- helpmee
- Post #6
- May 22, 2012
- Forum: A-Levels
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AS Unit 1 Physics Help !!!!

a =-3.7 u=40 t=3 v=??? v=u +at v=40+(-3.7*3)= 28.9 =29 so answer is B right??
- helpmee
- Post #9
- May 16, 2012
- Forum: A-Levels
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AS chemistry Unit 2.. Ready?

i have chemistry unit 2 on wednesday C2 maths on thursday physics unit 2 on friday :cry:
- helpmee
- Post #3
- May 16, 2012
- Forum: A-Levels
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Doubts....

thanx for that okay how to solve questions like a) find bearing ( do we use speed or position vector) b) find time when object X is due east object Y c) find time when object X is due north object Y
- helpmee
- Post #41
- May 15, 2012
- Forum: A-Levels
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Doubts....

another assumption the one abt the smooth pulley in jan 2010 the smooth pulley means that the tension in two part of the string is the same can anyone explain vectors in a simple way thanx in advance
- helpmee
- Post #38
- May 14, 2012
- Forum: A-Levels

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