Revolution Now!
Welcome,
Guest
. Please
login
or
register
.
Have you missed your
activation email
?
1 Hour
1 Day
1 Week
1 Month
Forever
Login with username, password and session length.
News:
New servers, hooraaaay! More bandwidth, more power.
Home
Help
Calendar
Login
Register
IGCSE/GCSE/O & A Level/IB/University Student Forum
»
Qualification
»
GCE AS & A2 Level
»
Subject Doubts
»
Sciences
»
physics query
« previous
next »
Print
Pages: [
1
]
Go Down
Author
Topic: physics query (Read 661 times)
Umerhassan
Newbie
Posts: 4
Reputation: 16
physics query
«
on:
May 16, 2010, 11:59:45 pm »
q no 22 may june 05
the answer i keep getting is A :S
Logged
cashem'up
SF Geek
Posts: 371
Reputation: 2069
Re: physics query
«
Reply #1 on:
May 17, 2010, 03:48:38 am »
Young= (F/A)/(delta L /L) we can also rite this Y=FL/Adelta L
lets consider P
Y = F
p
L/Adelta L
now Q
Y= F2L/(a/2 x delta l )
so Y= F
q
4L/A delta L rite
now equate them
F
p
L/A
delta L
=F
q
4L/A
delta L
F
p
L/A
=F
q
4
L/A
F
p
/F
q
= 4/1
Logged
Umerhassan
Newbie
Posts: 4
Reputation: 16
Re: physics query
«
Reply #2 on:
May 17, 2010, 01:31:21 pm »
thanx a lot
Logged
Print
Pages: [
1
]
Go Up
« previous
next »
IGCSE/GCSE/O & A Level/IB/University Student Forum
»
Qualification
»
GCE AS & A2 Level
»
Subject Doubts
»
Sciences
»
physics query