Physics Paper 62 Need help ASAP!

[Billy123]

Hey guys! I need help in Physics Paper 62 May/June 2009
Like: http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Physics (0625)/0625_s09_qp_6.pdf

1.In Page 3 ; Question number 1,a,iii
Can anyone teach me how to do it? Please scan and show!


2. Page 12 Question number 5 ALL of it! I dont know! Someone please scan and show! Help will be much appreciated!

 

[Billy123]

Anyone help already??? I really need it exam is tomorrow!

 

[RaneemI]

Someone asked the same question
Here is the link with some answers
http://www.xtremepapers.com/community/threads/physics-practical.372/
Hope i helped