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#O C R AS Level Physics A H156/02 Depth in physics May 2023
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#O C R AS Level Physics A H156/02 Depth in physics May 2023
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#O C RAS Level Physics A
H156/02 Depth in physics
May 2023
Time allowed: 1 hours 30 minutes
You must have:
the Data, Formulae and Relationships Booklet
You can use:
a scientific or graphical calculator
a ruler (cm/mm)
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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.
,2023 Turn over
, 2
1 The brakes of a car of mass 1200 kg are being tested on a track. The driver sees a hazard
and applies the brakes.
The graph shows the variation of the velocity v of the car with time t from when the driver sees
the hazard to when the car stops.
20
v / m s–1
15
10
5
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
t/s
(a) (i) Calculate the acceleration a of the car while the brakes are applied.
a =..................................................m s–2 [1]
(ii) Calculate the average braking force F while the brakes are applied.
F =........................................................N [1]
2023
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