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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS

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GCE Ordinary Level

MARK SCHEME for the October/November 2008 question paper

5054 PHYSICS
5054/02

Paper 2 (Theory), maximum raw mark 75

This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began.
All Examiners are instructed that alternative correct answers and unexpected approaches in candidates’ scripts must be given marks that fairly reflect the relevant knowledge and skills demonstrated. Mark schemes must be read in conjunction with the question papers and the report on the examination. •

CIE will not enter into discussions or correspondence in connection with these mark schemes.

CIE is publishing the mark schemes for the October/November 2008 question papers for most IGCSE,
GCE Advanced Level and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses. Page 2

Mark Scheme
GCE O LEVEL – October/November 2008

Syllabus
5054

Paper
2

Do not accept fractions. No penalty for [ 2 s. f. unless stated or for 1 s. f. where exactly correct.
Only one unit and only one fraction penalty per question.
Section A
1

(a) 0.5(0) m

B1
C1
A1

(a) mgh or F × d or 10 × 700
(–)7000 J

C1
A1

(b) Q/E/H = mc∆T or (∆T =) 7000/(1) × 4200
1.7 or 1.67 or 5.5
8.9 °C e.c.f. (a)
4

B1

(b) rotates/tilts/unbalanced/one side down/one side up rotates anticlockwise/down on left or head down or foot up
(net) anticlockwise moment or moment on left > moment on right or weight/CM on left of pivot
3

B1
B1
B1
B1

(b) 10(.0) N or e.c.f.
2

(a) diagram of two forces and resultant
W / 6(N) and T / 8(N) marked on perp. forces or scale given
10(.0 ±0.2) N

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