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then dont attempt the p.p directly just go through the notes once revise all the chaps get the concept clear .... then try doing the past papers and if u dunt stilll understand then seek help from any adult on the areas where u thinh u are weak ... u ll do gud inshAlllah dunt wrryI have no idea what to revise & everytime I try to do a past paper, I dont understand any questions.
Physics is the hardest subject for me, not to mention paper 3.
Help me!
n i am soooooo scaredddd
me too!physics is the only subject im not good at
goodluck!
Now here comes the role of motivation. You can't underestimate what u can do if you're just confident about your abilities.
Here is what you can do now... and yes it isnt too late
1) Think about all the things u know in physics.
2)Now get a checklist and start ticking the things u know and revise the topics u're unsure of ON THE INTERNET (textbooks take alot of time) here's one checklist==>http://www.cambridgestudents.org.uk...on_Checklist_for_IGCSE_Physics_0625_FINAL.pdf
3)Read short notes..Do alteast 1 year's past papers be4 the exam!
4)http://www.xtremepapers.com/community/threads/physics-general-tips.16304/<== Read this too.
5)Be confident and lift ur head up high
hi I have a question p3 physics year 2010 m/j 31 last question plz help meNow here comes the role of motivation. You can't underestimate what u can do if you're just confident about your abilities.
Here is what you can do now... and yes it isnt too late
1) Think about all the things u know in physics.
2)Now get a checklist and start ticking the things u know and revise the topics u're unsure of ON THE INTERNET (textbooks take alot of time) here's one checklist==>http://www.cambridgestudents.org.uk...on_Checklist_for_IGCSE_Physics_0625_FINAL.pdf
3)Read short notes..Do alteast 1 year's past papers be4 the exam!
4)http://www.xtremepapers.com/community/threads/physics-general-tips.16304/<== Read this too.
5)Be confident and lift ur head up high
ur welcome ^__^Thanks alot!!
11 ai) R=v/i ....1.8 / 0.45 = 4
yea yea I completely got ur point thanks alooooooot...one more 1 mark question .....plz explain it to me I can't understand anything in it:11 ai) R=v/i ....1.8 / 0.45 = 4
ii)E=IVT.....0.45 x 1.8 x 520 = 421.2 J
b) If the thickness of the wire is halved resistance will be double (for a wire of similar length) as R is inversely proportional to thickness =4 x 4=16 (ohms) we will use this quantity to cross multiply and find the length later on..
Find the resistance of this wire=I/V = 1.8/0.3 = 6 (ohms)
Now here's the tricky part:
If Full length (original length of the wire) -gives a resistance of 16 (ohms)
What lenght of the same wire will give 6 (ohm) resistance?
Cross multiply...U'll get 6 / 16 = 0.375 ...write it as % to compare u'll get the final answer as 37.5 %
Hope u get the point
question number?
question 8 last part ..question number?
Q8.(c) The structure of the motor is very similar to that of an a.c. generator. Use ideas about induction
sorry I didn't get u which emf u mean plz can u explain me in detail?Q8.(c) The structure of the motor is very similar to that of an a.c. generator. Use ideas about induction
to suggest why the current from the battery falls as the motor speeds up.
A. This is because as the motor speeds up more current is required to oppose/overcome the emf.
u2me too!
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