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O/N-02, p-1, Physics HELP NEEDED..*

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nox_fjmoony:
Ok, so I was doing this paper and I need help in the following questions:
3,6,19,20amd  27.
Thats all. Explanation is expected. :D

12345abc:
3. the driver wants to complete his journey in 2 hours,so u must first subtract the time spent on coffee and traffic jam ( which amounts to 0.75 hours) from 2.0...u will get 1.25....divide 75 by 1.25...
6. answer is C...use F=ma....F will be forward force - frictional force....u will get : 10-4=2 x a....then 6=2 x a...then u will get a=3...
19. i dont know about this one...i find this the most confusing topic :'(...i'll let u know as soon as i find out
20. again,i'm not sure,but i think it is D because if the light is striking at 90* then it should pass undeviated...
27. i think it is D....because if u assign 2 ohms to all the resistors and find the total resistance of all the options,then D will give u 8/6 ohms,which is the least...
i hope this helps...if u find any useful notes on converging lens,plz let me know,as i am not at all good at that topic

AN10:
ummm...does anyone have physix marking schemes for da year 2003, 2002 n 2001..... its urgent!!

astarmathsandphysics:

--- Quote from: nox_fjmoony on June 02, 2009, 09:19:52 am ---Ok, so I was doing this paper and I need help in the following questions:
3,6,19,20amd  27.
Thats all. Explanation is expected. :D

--- End quote ---
3)D since acceleration due to gravity is constant
6)A Ithink the diatance from the pivot is the same for the mass and the flour, so 2 bags weighs 3kg
19)D by elimination. All the others are nonsense
20)C transvers and longitudinal
27)B a south pole is induced at P

astarmathsandphysics:

--- Quote from: AN10 on June 02, 2009, 05:46:54 pm ---ummm...does anyone have physix marking schemes for da year 2003, 2002 n 2001..... its urgent!!


--- End quote ---

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