Wednesday 21 May 2025 – Afternoon
AS Level Physics A
H156/02 Depth in physics
Time allowed: 1 hour 30 minutes
(Verified Question Paper With Mark
Scheme Combined June 2025)
, INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra
space use the lined pages at the end of this booklet. The question numbers
must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working.
Marks might be given for using a correct method, even if your answer is
wrong.
INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an
asterisk (*).
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
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, 2
Answer all the questions in this section.
1 A high speed passenger train is travelling at a velocity of 54 m s–1.
The simplified graph shows the variation with time t of the velocity v of the train
until it stops. At t = 0 the driver starts to think about applying the brakes.
60
50
40
v / m s–1 30
20
10
0
0 20 40 60 80 120 140
100
t/s
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, 3
(a) Use the graph to determine the acceleration a of the train while the driver applies the
brakes.
a = .....
–....................m s –2
[1]
(b) Use the graph to determine the total stopping distance d of the train from t = 0.
d =................................................m [2]
(c) Suggest why the graph does not show the real motion of the train.
............................................................................................................................................
..............
............................................................................................................................................
..............
.................................................................................................................................. [2]
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