- Messages
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Thank youcheck
http://physics-ref.blogspot.com/2014/07/9702-june-2013-paper-42-worked.html
if it's still not clear, ask there
check at http://physics-ref.blogspot.com/2014/08/9702-november-2011-paper-22-worked.html
explanations are available
V2-U2 = 2as
Could you elaborate?If all the forces pass through a specific point the net moments or forces are zero?Can you explain this much?
So if all forces pass through one point,the system will be in equilibrium?regardless of force magnitude?i have added some details. look at them there
Ok,so at AS level we just have to look at the direction and if they intersect its in equilibrium?yes, in this case. but not always. this condition does not imply translational equilibrium (don't worry about this if you don't understand)
At A-Level, the explanation in terms of moments I gave can be deduced
Can u explain how are the wires in parallel?
thank you : D. for the formation of stationary waves, do the waves need some kind of phase difference to form, like if it is formed from reflection, what would you call the phase thhat they meet at if this makes sensethe first qu is answered as qu15 at
http://physics-ref.blogspot.com/2014/10/physics-9702-doubts-help-page-2.html
the others will be answered later
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