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Author Topic: physics help  (Read 3457 times)

Offline ny

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Re: physics help
« Reply #15 on: May 11, 2009, 07:11:23 am »
so,why cant we just use 16.3g? cant we just ignore the 2.1g?
i've tried many times to undrstand this.but still,i don't get it.
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Offline XaM!!

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Re: physics help
« Reply #16 on: May 11, 2009, 07:19:19 am »
I hav writen sum info abt phy ppr6 in 'SCIENCE HELP' topic... Its abt hw to improve aparatus.
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nid404

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Re: physics help
« Reply #17 on: May 11, 2009, 07:33:22 am »
cumon it's not that difficult to understand. It's just that the amount of heat melted by the heater is not 16.3g, its 16.3-2.1g cuz the 2.1 g is melted by the heat taken from the surroundings and not the heater. R u gettin' it??

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nid404

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Re: physics help
« Reply #18 on: May 11, 2009, 07:36:58 am »
Quote from: 5428 on May 11, 2009, 07:19:19 am
I hav writen sum info abt phy ppr6 in 'SCIENCE HELP' topic... Its abt hw to improve aparatus.
nice info thanx
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Offline ny

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Re: physics help
« Reply #19 on: May 11, 2009, 07:45:29 am »
Quote from: nid404 on May 11, 2009, 07:33:22 am
cumon it's not that difficult to understand. It's just that the amount of heat melted by the heater is not 16.3g, its 16.3-2.1g cuz the 2.1 g is melted by the heat taken from the surroundings and not the heater. R u gettin' it??



oh okay.i got it.thanks
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Offline XaM!!

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Re: physics help
« Reply #20 on: May 11, 2009, 07:54:53 am »
I have posted sum info abt circuits as well check out it at science ppr6 help...

P.S: i have upgraded my account and have changed my name frm 5428 to oblivion...
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nid404

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Re: physics help
« Reply #21 on: May 11, 2009, 08:02:15 am »
thanks. ur info's really helpful
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Offline XaM!!

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Re: physics help
« Reply #22 on: May 11, 2009, 09:22:24 am »
No prob... Il post othr tips as well but latr on...
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nid404

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Re: physics help
« Reply #23 on: May 11, 2009, 09:55:40 am »
another question that's pestering me. Oct/nov 2007 Q1)c

attached the paper and mark scheme(which is of no help)
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Offline Christy

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Re: physics help
« Reply #24 on: May 11, 2009, 10:57:12 am »
do u want oct/ nov. or may/june

cause babe u said o/n but u put up m/j paper

its fine ill answer both :D

MAY/JUNE 2007

Ci) heat loss
Cii) by lagging and by a lid

OCTOBER / NOVEMBER  2007

Ci) no
depends on the temperature of the atmosphere
Cii) volume of water
mass of beaker
amount of stirring
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Offline unknown

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Re: physics help
« Reply #25 on: May 11, 2009, 11:57:51 am »
a big list of doubts plzzzz help og
frstly can somone explain me hw 2 do d q 4bii) frm 2003 june n d q 4c frm jun 2005 n q 3b frm 2001 n plzzzzzzzzz 1 more in d 2008 may june d 5 bi)  wht do mean by amplitude... d q abt list 2 variables tht shld be kept constant n 1 of them is amplitude .....wht do u mean by tht
n ya last q when does a line pass thrgh 0 when drawing ne graph........
plzzzzzzz help or else i m gone..........
thx in advance
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