physics mcqs HELP !

[nannes]

can any1 help me oct/nov 09 question 9-15 and 22...i knw a lot of questions but help meeeee..p11

 

[ashhadazam]

Nannes go chk ur thread

 

[ammarelahi]

please tell W08 Q32...cant understand which wires are parallel and which are in series !!

 

[1992]

can any1 help me oct/nov 09 question 9-15 and 22...i knw a lot of questions but help meeeee..p11

i also want help thes questions please seems we have same doubts..
i know how to do the Q11. Its just the definition of centre of gravity. the point where whole weight is considerd to act. ANs: C