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Surname Initial(s)
Centre
Paper Reference
No.

Signature
Candidate
No. 5 0 4 9 0 1
Paper Reference(s)


5049/01 Examiner's use only



Edexcel GCSE Team Leader's use only

Physics
P3 ­ Topics 5 and 6 Question Leave

Wednesday 10 June 2009 ­ Afternoon Number Blank


1
Time: 1 hour
2
3…

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FORMULAE
You may find the following formulae useful.

pressure P1 = P2
= constant
temperature (Kelvin) T1 T2


pressure × volume P1 × V1 = P2 × V2
= constant
temperature (Kelvin) T1 T2


kinetic energy = electronic charge × accelerating voltage KE = e × V

work done =…

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TURN OVER FOR QUESTION 1




3
*N34063A0320* Turn over

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1. Zoë is investigating what happens to the volume of a gas when its temperature is
increased.
The diagrams show the equipment that she uses.
tube open to
atmosphere
12
trapped gas
cm 11 being tested

10

100
90
80
70 20

thermometer 60
50 15
scale to…

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(a) Tick (9 ) the three statements that are true for Zoë's investigation.

statement true?

as the temperature increases the volume increases

as the temperature increases the pressure increases

the mass of the gas is constant

the pressure of the gas is constant

when the temperature in °C…

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2. Many people are confused by how CAT (computer aided tomography) and PET (positron
emission tomography) scanners work.

In a CAT scanner

· many X-ray images are taken around a horizontal axis, each at a slightly different
angle
· a computer puts all the images together
· a…

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3. (a) What does an electrocardiogram (ECG) measure?

.......................................................................................................................................
(1)

(b) The diagram represents the ECG of a normal heart.

R


P T



Q S

P, QRS and T are three sections of the ECG.
Identify the action of the heart muscles at each section.
Draw a line…

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4. The graph shows the number of neutrons plotted against the number of protons for the
nuclei of stable isotopes.




(a) Add letters to the graph to show the positions of unstable isotopes which emit the
following radiations.

(i) alpha particles ­ use a letter A

(ii) ­…

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(b) Sulphur-38 decays by emitting a beta-minus particle and a gamma ray to form an
isotope of chlorine.
Complete the nuclear equation for this decay, by filling in all the boxes.


38
S Cl + +
16
(2)

(c) Explain what is happening to

(i) a nucleus during…

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5. Adam Cox is a British gymnast.
His weight is 805 N.
The photograph shows him performing on the High Bar.




M


140 cm
position 2




280 cm
M
180 cm

position 1


Using the information given in the diagram, calculate the work that Adam does to raise…

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