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Author Topic: physics mcq help needed! urgent!  (Read 27562 times)

Offline superduper2009

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Re: physics mcq help needed! urgent!
« Reply #330 on: May 18, 2010, 07:23:31 pm »
please, can you tell me what each letter in the equation stands for ...
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Offline ifraha18

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Re: physics mcq help needed! urgent!
« Reply #331 on: May 18, 2010, 07:27:24 pm »
q 21 june 2009.?
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Offline ifraha18

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Re: physics mcq help needed! urgent!
« Reply #332 on: May 18, 2010, 07:29:58 pm »
fr 20 june 2009
for P       T =AEe/l
forQ        T=(A/2*Ee)/2l =AEe/4l
p/q = AEe/l divided by AEe/4l
p/q=4

A is area
E young modulus T tension
e extension
l length
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Offline ifraha18

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Re: physics mcq help needed! urgent!
« Reply #333 on: May 18, 2010, 07:30:41 pm »
Quote from: superduper2009 on May 18, 2010, 07:23:31 pm
please, can you tell me what each letter in the equation stands for ...

u got it.??
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Offline superduper2009

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Re: physics mcq help needed! urgent!
« Reply #334 on: May 18, 2010, 07:43:49 pm »
yeah...thanks alot :D
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Offline ifraha18

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Re: physics mcq help needed! urgent!
« Reply #335 on: May 18, 2010, 07:46:12 pm »
q 21 june 2009 plz..??
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Offline ifraha18

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Re: physics mcq help needed! urgent!
« Reply #336 on: May 18, 2010, 07:54:54 pm »
Quote from: superduper2009 on May 18, 2010, 07:43:49 pm
yeah...thanks alot :D

u needed june 2009 q13 as well..
so it is
F*1.2=900 *.2
f=150
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Offline ifraha18

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Re: physics mcq help needed! urgent!
« Reply #337 on: May 18, 2010, 07:56:22 pm »
q 15 and 21 june 2009 plz..??explain.???
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Offline halosh92

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Re: physics mcq help needed! urgent!
« Reply #338 on: May 18, 2010, 08:18:59 pm »
for the energy time graph
how do we find the power
is its the area or slope or wat exactly??
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everyday we wake up is a miracle, then how do we say miracles dont happen?????

Offline superduper2009

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Re: physics mcq help needed! urgent!
« Reply #339 on: May 18, 2010, 08:20:12 pm »
power would be the gradient
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Offline halosh92

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Re: physics mcq help needed! urgent!
« Reply #340 on: May 18, 2010, 08:24:00 pm »
Quote from: superduper2009 on May 18, 2010, 08:20:12 pm
power would be the gradient

thx BEST OF LUK EVERYONE  8)
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everyday we wake up is a miracle, then how do we say miracles dont happen?????
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