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AS physics

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noor_1:
may june 2004 Q7
and Q21
plz explain this to me

astarmathsandphysics:
which paper

Sue T:
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

noor_1:
thank u sue  soo much
i mean dat

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