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Motion
Question Paper 8
Level IGCSE
Subject Physics
ExamBoard CIE
Topic General Physics
Sub-Topic Motion
Paper Type (Extended) Theory Paper
Booklet Question Paper 8
Time Allowed: 84 minutes
Score: /70
Percentage: /100
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3 (a) Complete the table below to identify the physical quantities as scalars or vectors.
physical quantity scalar or vector
speed
velocity
distance
force
kinetic energy
[3]
(b) Fig. 1.1 shows the path of a football as it is kicked along the ground between three players.
The distances between the players are shown on Fig. 1.1.
A
18 m
21 m
Fig. 1.1
The ball takes 1.2 s to travel from player A to player B.
(i) Calculate the average speed of the ball between A and B.
average speed = ...........................................................[2]
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(ii) Player B kicks the ball to player C.
It travels with the same average speed.
Calculate the time taken for the ball to travel from B to C.
time = ...........................................................[2]
(iii) Suggest why the speed of the ball might change during its motion from A to B.
...........................................................................................................................................
.......................................................................................................................................[1]
(iv) Discuss whether the average velocities, from A to B and from B to C, are the same.
...........................................................................................................................................
...........................................................................................................................................
.......................................................................................................................................[1]
[Total: 9]
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4 (a) Define acceleration. Explain any symbols in your definition.
...................................................................................................................................................
...............................................................................................................................................[1]
(b) Fig. 1.1 shows a graph of speed against time for a train. After 100 s the train stops at a
station.
30
speed 25
m/s
20
15
10
0
0 20 40 60 80 100 120 140 160 180 200 220 240 260 280
time / s
Fig. 1.1
(i) For the time interval between 40 s and 100 s, calculate the distance travelled by the train.
distance = ...........................................................[2]
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(ii) The train stops for 80 s, then accelerates to 30 m / s with an acceleration of 0.60 m / s2. It
then travels at constant speed.
Complete the graph for the interval 100 s to 280 s, showing your calculations in the space
below.
[5]
[Total: 8]
