kertas 2 pep sem 1 ting 5 terengganu 2012.pdf
TRANSCRIPT
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8/18/2019 Kertas 2 Pep Sem 1 Ting 5 Terengganu 2012.pdf
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QU STION 1
P P R
2 4531/2
Section
Mark
nswer
Note
a
1
0 1
cm
1
mm
Jwpn dgn unit betul
b
1
3 4 cm 34 m m
Jwpn dgnunit betul
c
1
Parallax
error
d
1
Eye
of
the
student must be perpendicular to
the
scale of th e ruler
TOT
4
QU STION 2
Section
Mar k
n sw r
No te
a
1
Force per unit area// force
•
Area
b
1
1
50
X 10 +
40 1000
125000Nm 2//1.25 X
105N
in2
c
1
1
wearing shoes //slippers
Increase the area of contact/Aising formula P =
F A therefore
when
A increase
P i s s m al l
TOT
5
QU STION
3
i—
1
Sect ion
Mark
n sw r
Note
a
1
Degreeof hotness / coldness ofa substance.
b i
1
Electrical energy changes to heat energy.
b ii
1
1
Heat supplied toovercome intermolecular
bonding of water.
Not to increase
kinetic energy
of watermolecules
// Kinetic energy of water molecules constant.
c
1
1
100
5 x 60) =
0.05
100 5) = 0.05
v
//
100
5 = 50 v
v
= 6.0 x
1 5
J kg1.
Accept: Substitution
without changing units
o f time or
/
an d mass
Ans with correct unit
TOT
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