IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: noor_1 on February 05, 2010, 06:53:36 am

Title: AS physics
Post by: noor_1 on February 05, 2010, 06:53:36 am

may june 2004 Q7
and Q21
plz explain this to me

Title: Re: AS physics
Post by: astarmathsandphysics on February 05, 2010, 11:10:36 am

which paper

Title: Re: AS physics
Post by: Sue T on February 05, 2010, 11:29:23 am

if u r talkin bout ppr1 :
Q7) s=100m
      u=10m/s
      v=20m/s

use V squared = u squared +2as
      20*20 = (10*10) + (2*a*100)
u'll get 1.5


and Q)21 :
they gave u th no. of atoms n the mass of each atom, if u multiply them u'll get th mass of the whole substance
n if density of p>q then the same applies 4 the mass

hope i make sense

Title: Re: AS physics
Post by: noor_1 on February 05, 2010, 02:17:21 pm

thank u sue  soo much
i mean dat