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Shortly after opening her parachute, a free-fall parachutist of mass 60kg experiences th shown in the diagram.
weight = 600N Which line in the table gives the size and direction of the acceleration of the parachutist instance? size of acceleration (m/s2)
direction of acceleration
A
5.0
downwards
B
10.0
downwards
C
5.0
upwards
D
10.0
upwards
E
0.0
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Which of the following f ollowing is a correct unit of potential difference (voltage)? A
amp per ohm
B
coulomb per joule
C
joule per second second
D
newton per coulomb
E
watt per amp
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Which of the following f ollowing is a correct unit of potential difference (voltage)? A
amp per ohm
B
coulomb per joule
C
joule per second second
D
newton per coulomb
E
watt per amp
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It is known that a radioactive source emits a single type of radiation. radiation. Detectors are plac the two positions shown. The graph shows how the readings readings change over time. 30cm
source
detector 1
detector 2
1m
240 220 detector 1
200 ) 180 n i m 160 / s t n140 u o c120 ( e t a r100 t n 80 u o c 60
40 detector 2
20 0 0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
time (hours)
Which type of radiation does the source emit, and what is its half-life? type of radiation
half-life (hours)
Master your semester with Scribd alpha A & The New York Times alpha B Special offer for students: Only $4.99/month.
C
b t
2.40 2.76 2 40
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The graph represents the motion of a vehicle during part of a journey. 30
) s20 / m ( d e e p s10
0 0
1
2
3
4
5
6
7
8
time (min)
What is the best estimate of the distance travelled during the part of the journey shown? A
100.00m
B
107.50m
C
115.00m
You're Reading a Preview
D
6.00km
Unlock full access with a free trial.
E
6.45km
Download With Free Trial
F
6.90km
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19 An object of mass 5kg falls from rest and hits the ground at a speed of 20m/s. Air resis negligible. From what height has the object fallen? Take g to be 10m/s 2 A
10m
B
20m
C
50m
D
100m
E
200m
F
1000m
23 A train consists of a powered engine pulling two unpowered carriages.
You're Reading a Preview Unlock full access carriage 1 with a free trial.
carriage 2
T
Download With Free Trial
powered engine
The engine has a mass of 20000kg, and each carriage has a mass of 5000kg. When th accelerates from rest it develops a thrust (driving force) of 15000N as shown.
Ignoring resistive forces, what is the tension (pulling force) T in the coupling between ca carriage 2? 2500N with Scribd A Master your semester 3750N & The New B York Times Special offer for students: Only $4.99/month.
C
5000N
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The first graph shows the variation of the displacement of particles with distance along a particular instant in time: ) 18 m m ( t n e m 0 e c a l p s i d
60
distance (m)
-18
The second graph shows the variation with time of the displacement of a particular partic wave: ) 18 m m ( t n e m 0 e c a l p s i d
0.6
time (s)
You're Reading a Preview
-18
What is the speed of this wave? A
30m/s
B
50m/s
C
90m/s
D
100m/s
Unlock full access with a free trial.
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In a laboratory experiment, protactinium-234 undergoes radioactive decay by β-emission uranium-234.
The table below describes how the mass of uranium-234 present in the sample varies wi from the start of the experiment: time / min 0.0 1.2 2.4 3.6 4.8 6.0 7.2 8.4 9.6 10.8 12.0
mass of u-234 / mg 0.0 8.0 12.0 14.0 15.0 15.5 15.7 15.9 15.9 16.0 16.0
Using the information in the table, approximately what is the half-life of protactinium-234? A
1.2 minutes
B
2.4 minutes
C
6.0 minutes
D
9.6 minutes
E
10.8 minutes
F
12.0 minutes
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The depth of water in a particular tidal harbour varies with time as shown in the graph: 20 18 16 14
s e r12 t e m / 10 h t p 8 e d 6 4 2 0 0
2
4
6
8
10
12
14
16
18
20
22
24
26
time / hours
If the variation in depth caused by the effect of the tide is considered as a wave, what are amplitude and frequency of this wave? You're Reading a Preview amplitude / metres
frequency / hertz Unlock full access with a free trial.
A
3
1/(12 x 3600) Download With Free Trial
B
3
3600/12
C
6
1/(24 x 3600)
D
6
3600/24
E 8 1/(12 x 3600) Master your semester with Scribd 8 3600/12 F & The New York Times Special offer for students: Only $4.99/month.
G
16
1/(24 x 3600)
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When radioactive isotopes decay, they sometimes have to go through a succession of disintegrations to reach a stable isotope. These are called decay chains, and involve the successive emission of numerous α and/or β particles.
One such isotope is radon-219 ( 219 Rn), which goes through a chain in which three α par 86 and two β particles are emitted before reaching a stable isotope. What are the atomic and mass numbers of the resulting stable isotope? atomic number
mass number
A
80
207
B
80
211
C
82
207
D
82
215
E
85
211
F
85
219
G
86
215
H
86
You're Reading a Preview 219 Unlock full access with a free trial.
Download With Free Trial
27 A car of mass 800kg moves up an incline of 1 in 20 (1 in 20 means for every 20m along the car gains 1m in height) at a constant speed of 20m/s. The frictional force opposing m 500N. How much work has been done by the engine after the car has moved 50m? A 20kJ Master your semester with Scribd 25kJTimes B & The New York Special offer for students: Only $4.99/month.
C
27kJ
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The circuit shows five identical filament bulbs designed to work at 12V connected in a cir with two switches. Switch P is initially open and switch Q is initially closed. 12V
switch P bulb X
bulb Y
switch Q
Switch P is then closed and switch Q is opened.
You're Reading a Preview Compared with their brightness before these changes were made, how has the brightnes bulbs X and Y changed? Unlock full access with a free trial. bulb X
bulb Y Download With Free Trial
A
brighter
brighter
B
brighter
dimmer
C
dimmer
brighter
D dimmer with dimmer Master your semester Scribd E brighter & The New Yorkunchanged Times Special offer for students: Only $4.99/month.
F
brighter
unchanged
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The diagrams below show velocity-time or distance-time graphs for 4 different objects, P and S. 12
70
s10 / m / 8 y t i 6 c o l e 4 v
s60 / m / 50 y40 t i c30 o l e20 v
0
0
2
10
0
4
8
12 16 20 24 28 32
0
4
8
12
16
time / s
time / s
P
Q
14
20
24
175
12
150
m / 10 e c 8 n a 6 t s i d 4
m / 125 e c100 n a 75 t s i d 50
2
25
0 0
1
2
3
4
time / s
R
5
0 You're Reading a Preview 6
0
60
Unlock full access with a free trial.
120
180
240
time / s
S
Download With Free Trial
Which graph(s) show an object accelerating at 2.4m/s 2? A
P only
B
Q only
R only C Master your semester with Scribd D S only & The New York Times Special offer forE students: Only $4.99/month. P and Q
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Two identical cars, P and Q, start at the same level. Car P moves at a constant speed of hill to a height of 25m in a time of 20s. In t he same time car Q moves at a constant speed a hill to a height of 50m.
What are the kinetic energies of the cars while they are travelling up the hills, and wh gravitational potential energies once they have reached the top? kinetic energy
gravitational potential
A
car Q has twice as much as car P
car Q has twice as much
B
car Q has twice as much as car P
car Q has four times as much
C
car Q has four times as much as car P
car Q has twice as much
D
You're Reading a Preview car Q has four times as much as car P car Q has four times as much Unlock full access with a free trial.
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7
Which one of the following statements about nuclear physics is true? A
The process of emission of a gamma ray from a nucleus is called nuclear fissio
Master your semester Scribd The half life of with a radioactive substance is half the time taken for its nuclei B to de Read Free Foron 30this Days Sign up to vote title The Times number of neutrons in a nucleus is its atomic number (proton number) min & The New York Useful Not useful C mass number. Special offer for students: Only $4.99/month. D
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The process used in nuclear power stations is nuclear fusion.
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Consider this circuit. 6V
A 3Ω
3Ω
Which line in the table gives the current flowing in the ammeter, in amps, when the switc open, and when it is closed?
ammeter reading/A You're Reading a Preview switch open switch closed
Unlock full access with a free trial.
A
0.0
1.0 Download With Free Trial 2.0
B
0.0
C
1.0
0.0
D
1.0
1.0
E
1.0
2.0
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15 A bullet of mass 50g is fired from a rifle with a velocity of 300m/s. It hits a bank of earth travelling 60cm into the bank comes to rest. What is the average stopping force of the earth in the bank on the bullet? A
37.5N
B
3.75 x 103N
C
3.75 x 104N
D
3.75 x 106N
23 A ray of orange light travelling through air has a speed of 3.0 x 108m/s and a wavelength 600nm. (1nm = 10-9m) What could be the speed, frequency and wavelength of this orange light when travelling glass? Speed/ms-1
Frequency/Hz You're Reading a Preview
Wavelength/
A
2.0 x 108
14 Unlock full access with trial. 3.3a free x 10
B
2.0 x 108
x Trial 10 Download With3.3 Free
600
C
2.0 x 108
5.0 x 1014
400
D
2.0 x 108
5.0 x 1014
600
E
3.0 x 108
3.3 x 1014
400
3.0 xwith 10 F Master your semester Scribd G 3.0 x 10 & The New York Times 8
8
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H
3.0 x 108
400
14
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5.0 x 1014
600
400 600
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Which graph correctly shows how the resistance (R) varies with applied voltage (V) for a at constant temperature?
R
R
A
B
0
0 0
0
V
R
R
C
D
You're Reading a Preview Unlock full access with a free trial.
0
0
0
0
V
Download With Free Trial R
R
E
Master your semester with Scribd & The New York Times Special offer for students: Only $4.99/month. 0 0
F
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0 V
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27 At the front of a long column of soldiers is a man regularly hitting a drum 50 times a minu soldiers are told to place their left foot down on the ground when they hear the drum bea column is so long that the soldiers at the back put down their left feet at the same time as soldiers in the front put down their right feet. What is the minimum length of the column of soldiers? [Speed of sound in air is 330m/s] A
165m
B
198m
C
330m
D
396m
E
660m
F
792m
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N R
X is an unstable isotope which decays in two stages into nuclide Z as shown
Nuclide N R
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X → R P 2Y → QP Z −
What are the values of P and Q? P
Q
A
N-4
R+1
B
N-4
R-1
C
N-4
R-2
D
N
R-1
E
N
R-2
F
N
R-4
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Students investigate a radioactive source. They place a detector close to a radioactive and take 5 readings over 5 minutes. They then place a thin sheet of paper between the and the source, and again observe the counts over 5 minutes. Lastly they replace the p sheet with an aluminium one and observe the counts over 5 minutes. Their results are below:
Reading 1 Reading 2 Reading 3 Reading 4 Reading 5
Nothing 100 98 99 103 101
Paper 101 102 96 101 103
Aluminium 30 31 28 33 27
What type(s) of radiation is being given off by the source? A
α only
B
β only
C
γ only
D
α and β
E
α and γ
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F
β and γ
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The diagrams show, not to scale, three different situations in which a force F acts. Also each case is a distance d .
Diagram 1: Person sitting on a chair
Diagram 2: Wheelbarrow being lifted
Diagram 3: Weight being lifted b
Which line in the table shows whether or not work is being done by force so, whether the work done is equal to F x d ?
F in
Work being done by force F ?
Work done = F x d ?
A
only in diagrams 1 and 2
only in diagram 1
B
You're only in diagrams 1 and 2 Reading a Preview only in diagram 2
C
only in diagrams 2 and 3
D
Download With Free Trial only in diagrams 2 and 3 only in diagram 3
E
in diagrams 1, 2 and 3
only in diagrams 1 and 2
F
in diagrams 1, 2 and 3
only in diagrams 2 and 3
G
only in diagrams 1 and 3
only in diagram 1
each situa
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The microwaves generated in a microwave oven travel through air at a speed of 3.0 x 1 with a wavelength of 12cm. They pass through plastic food containers, but at a reduce of 2.0 x 108m/s. What are the wavelength and frequency of these microwaves as they pass through a food container? Wavelength (cm)
Frequency (Hz)
A
8
1.7 x 109
B
8
2.5 x 109
C
8
3.8 x 109
D
12
1.7 x 109
E
12
3.8 x 109
F
18
1.7 x 109
G
18
2.5 x 109
H
18
3.8 x 109
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The circuit shows three lamps and two ammeters in a circuit.
Lamp X 'blows' (the filament breaks).
What happens to the reading on each ammeter, and to the total resistance of the circuit Reading on ammeter 1
Reading on ammeter 2
Total resistance of circuit
A
decreases
decreases
decreases
B
decreases
decreases You're Reading a Preview increases
C
decreases
Unlockincreases full access with a free trial.
D
decreases
increases Download With Free Trial increases
E
increases
decreases
decreases
F
increases
decreases
increases
G
increases
increases
decreases
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23 A cyclist and a bike have a combined mass of 100kg. The cyclist free-wheels (rolls with pedalling) at a constant speed of 0.8m/s down a 1 in 10 slope (this means that t he cycli descends 1.0m for each 10m travelled along the road, as shown in the diagram.)
Calculate the loss in gravitational potential energy as he loses 100m in vertical height a hence calculate the total resistive force on the cyclist. [g = 10N/kg] Loss in gravitational potential energy (J) A
3200
B
3200
C
3200
D
100 000
E
100 000
F
100 000
Resistive force (N)
3 .2
32 32
99 100 100
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1000
99
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101
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27 A sound wave is produced by a loudspeaker cone, which creates pulses of pressure by back and forth between two points X and Y as shown in the diagram.
The distance between points X and Y is 5.0mm and the loudspeaker produces pulses o pressure every 0.2 milliseconds. The following statements about the sound wave produced are made: P
It has a speed of 25m/s You're Reading a Preview
Q
It has an amplitude of 5.0mm Unlock full access with a free trial.
R
It has a wavelength of 5.5mm Download With Free Trial
S
It has a fundamental frequency of 5.0kHz
Which of these statements can be correctly deduced from the information given? A
P only
Master your semester with Scribd B P and Q only & The New YorkP and Times R only C Special offer for students: Only $4.99/month.
D
P, R and S only
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The mass of an atom of uranium is 4 10-25 kg. What is the mass, in milligrams, of 8 million atoms of uranium?
4
A
3.2 10-18
B
3.2 10-17
C
3.2 10-16
D
3.2 10-15
E
3.2 10-12
The diagram shows a uniform beam pivoted at its centre. The bar weighs 800N, and thr other forces act on it as shown. Distance x can be varied. 40cm
20cm x
200N
200N
500N What value of distance x would cause the beam to be balanced? You're Reading a Preview A
5 cm
B
10 cm
C
20 cm
D
30 cm
E
40 cm
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Master your semester with Scribd Read Free Foron 30this Days Sign up to vote title A horse of weight 6000 N gallops at a speed of 16 m/s. Taking the acceleration of free f & The6 New York Times Useful Not useful 2
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Three resistors of equal value are connected up as shown. A
B
C
D
Arrange the letters corresponding to the four combinations in increasing order of resistan (least resistance first).
11
Three of the characteristic phenomena demonstrated by waves are reflection, refraction diffraction. How many of these phenomena cause the frequency of the wave t o change? A
0
B
1
C
2
D
3 You're Reading a Preview Unlock full access with a free trial.
15
In an experiment concerning radioactive decay, count Download Withthe Free Trialrate of radiation 5 cm from a source X was measured as 140 counts per minute. 12 minutes later, with the detector in same position, the count rate was measured as 35 counts per minute. Background radiation was recorded as 20 counts per minute. Calculate the half-life of source X. (Give your answer in minutes.)
Master your semester with Scribd & The17New York Times Which one of the following is not equal to volts? Special offer for students: Only $4.99/month.
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The energy in joules ( E ) associated with a photon of radiation is related to its frequency hertz ( f ) by the equation: f = E /h where h is a constant (6.63 10-34). What is the energy photon of radiation if 5 waves of this radiation are produced in 1 10-13 sec? A
1.33 10-21 J
B
6.63 10-21 J
C
3.32 10-20 J
D
1.51 1046 J
E
7.54 1046 J
In an a.c. generator driving a resistive load a coil is rotated slowly between the poles of magnet. Which of the following will increase if the coil is rotated more quickly? 1 2 3
29
of 33
Bmat Physics Formula Sheet
the frequency of the a.c. the amplitude of the a.c. the output e.m.f. of the generator
A
1
B
1 and 2
You're Reading a Preview
C
1 and 3
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D
2 and 3
E
1, 2 and 3
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In triangle PQR = 60 PQR = 45 QRP = 75
Q
QPR
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Diagrams 1 to 5 show five types of levers. 1
3
2
effort
load
load
effort
fulcrum
effort
fulcrum
load
fulcrum
load
5
4
effort
fulcrum
effort
fulcrum
load
Diagram 6 shows the bones of the arm with arrows showing its movement up and down. 6
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down Which two levers would be involved in the forcible up and down movement? up
down
Master your semester with Scribd A 1 2 & The New York B 1 Times 3 Special offer for students: Only $4.99/month. C
2
3
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