IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: xray91 on June 08, 2010, 05:03:20 pm

Title: physics paper 5
Post by: xray91 on June 08, 2010, 05:03:20 pm: PLZ ANY1 THAT DD THE TEST HELP
Title: Re: physics paper 5
Post by: falafail on June 08, 2010, 05:04:10 pm: Quote from: xray91 on June 08, 2010, 05:03:20 pm
PLZ ANY1 THAT DD THE TEST HELP

the test is tomorrow.. :-\
Title: Re: physics paper 5
Post by: princesszahra on June 08, 2010, 07:57:49 pm: http://www.mediafire.com/?sharekey=17ec329bec83263bdc09e7d393492eee47b0d1e1ae287e254ad239450a8c1cf1
Title: Re: physics paper 5
Post by: Hwa1 on June 08, 2010, 08:59:16 pm: whats that =/
Title: Re: physics paper 5
Post by: nancy on June 08, 2010, 09:00:57 pm: how do you do LAST part of E on nov 2009 2nd variant?
Title: Re: physics paper 5
Post by: falafail on June 08, 2010, 09:02:29 pm: Quote from: nancy on June 08, 2010, 09:00:57 pm
how do you do LAST part of E on nov 2009 2nd variant?

% uncertainty in b = % uncertainty in g + % uncertainty in t
Title: Re: physics paper 5
Post by: nancy on June 08, 2010, 09:06:09 pm: but the ms says- 0.9%+ percentage uncert in g
Title: Re: physics paper 5
Post by: falafail on June 08, 2010, 09:12:17 pm: Quote from: nancy on June 08, 2010, 09:06:09 pm
but the ms says- 0.9%+ percentage uncert in g

0.9 is the % uncertainty in t.
Title: Re: physics paper 5
Post by: nancy on June 08, 2010, 09:15:31 pm: Quote from: falafail on June 08, 2010, 09:12:17 pm
0.9 is the % uncertainty in t.

but t = 2.21 +/- 0.01
so isnt % uncert=

0.01 / 2.21 times 100= 0.45
Title: Re: physics paper 5
Post by: princesszahra on June 08, 2010, 09:16:01 pm: Quote from: Hwa1 on June 08, 2010, 08:59:16 pm
whats that =/

thats what i call an uploaded file
a solved p5 to help anyone if anyone needs ???
Title: Re: physics paper 5
Post by: falafail on June 08, 2010, 09:27:50 pm: Quote from: nancy on June 08, 2010, 09:15:31 pm
but t = 2.21 +/- 0.01
so isnt % uncert=

0.01 / 2.21 times 100= 0.45
sorry, it's the % uncertainty for t^2
Title: Re: physics paper 5
Post by: MaNi_DaDuDe on June 08, 2010, 09:28:21 pm: Quote from: princesszahra on June 08, 2010, 09:16:01 pm

thats what i call an uploaded file
a solved p5 to help anyone if anyone needs ???

Thank you so much! :)

+rep'd.