Help Section B phy 4

[Chile]

hi everyone, I am struggling very much with section B of paper phy 4, does anyone have any website were this is explained very simple?
Waiting for your reply
Thanks

 

[madee92]

same here even i dnt get a single thing
chile if u come across anythin plz let me know

 

[zaibcharolia]

hey, please pm me too. what time you're gonna sit for your exam?

 

[Chile]

I sit, phy41. what do you guys do?

 

[princesszahra]

41