Physics: Post your doubts here!

[Rutzaba]

commerce student here

 

[ZaqZainab]

Doubt in Waves. Can someone explain it to me ?
(Chapter 14,15,16) <--- Coursebook.
mehria
Suchal Riaz
Rutzaba
midha.ch
usama321
ZaqZainab

lol are you telling to explain 3 chapters
i having trouble with waves too though

 

[Rutzaba]

great! good example! I wish Karachi had some mountains

kati pahari

 

[Thought blocker]

i dnt use coursebook

Waves...Whole Waves.

 

[Thought blocker]

lol are you telling to explain 3 chapters
i having trouble with waves too though

LOL!

 

[mehria]

Waves...Whole Waves.

Waves is a very lengthy chapter...

 

[Thought blocker]

Waves is a very lengthy chapter...

But I need to clear concepts. No teachers in our school, I mean they do exist, but....!! :'(

 

[mehria]

But I need to clear concepts. No teachers in our school, I mean they do exist, but....!! :'(

u can ask questions related to it....

 

[Thought blocker]

u can ask questions related to it....

I can't understand the whole chapter :'(

 

[mehria]

I can't understand the whole chapter :'(

maybe u r nt concentrating on ths chpter atm

 

[Thought blocker]

maybe u r nt concentrating on ths chpter atm

i m stupid.

 

[mehria]

i m stupid.

yea u r

 

[Thought blocker]

yea u r

So teach me whole thing

 

[mehria]

So teach me whole thing

brother it's much better to keep on askng questions n we will ans that....

 

[Thought blocker]

brother it's much better to keep on askng questions n we will ans that....

:/ fine.

 

[mehria]

:/ fine.

yea....

 

[MiniSacBall]

http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_w03_qp_2.pdf

Q3) C) ii) 2.
How is the torque equal to the moment in the system, is it because they are in equilibrium, I didn't get it?

 

[Mohammed salik]

http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w03_qp_2.pdf

Q3) C) ii) 2.
How is the torque equal to the moment in the system, is it because they are in equilibrium, I didn't get it?

THE BODY IS IN EQUILIBRIUM so
The Moment Produced By the force should Equal to the torque in Strings So they cancel Out to Give ZERO net Force..!

 

[Zahidur Reza]

http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w09_qp_41.pdf

Q8 c) ii)

Why is the energy released subtracted from the output instead of adding it, it's a product right?

 

[Suchal Riaz]

:/ fine.

can you wait till 1st of may? i will skype you after that