IGCSE Co-ordinated Sciences (Double Award) 0654 · Physics · 11

0654.P1.2.05 — Define acceleration as change in velocity per unit time; recall and use the equation Dv a= Dt 3 Sketch, plot and interpret distance–time and: past paper questions

6 real questionsasked in 3 of the last 10 exam series2021–2025usually: Calculate, What, State, Describe

Real questions on 0654.p1.2.05 — define acceleration as change in velocity per unit time; recall and use the equation dv a= dt 3 sketch, plot and interpret distance–time and

The newest 6 of 6 written questions. Open one to see it on the real paper.

0654/32 · May/June 2025 · Q9a(i)[1]
State a time when the car is accelerating. time = s
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0654/41 · May/June 2025 · Q10a(i)[1]
Describe the motion of the rocket in the first 20 seconds.
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0654/41 · May/June 2025 · Q10a(ii)[3]
Calculate the deceleration of the rocket between time = 20 s and time = 50 s. State the unit of your answer. deceleration = unit
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0654/42 · February/March 2025 · Q9b(ii)[3]
Calculate the acceleration of the car in the first 40 s. State the unit. acceleration = unit
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0654/21 · October/November 2024 · Q8[1]
What were the results after 10 breaths?
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0654/21 · May/June 2021 · Q28[1]
What is the acceleration of the car?
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What examiners said

Almost all candidates were able to identify a time from the appropriate part of the graph. Candidates should be selecting a time on the slope rather than at a point where the acceleration finishes, in this case 40 s, as this shows better understanding of the speed-time graph.
— Examiner report, May/June 2025, 0654/32 Q9(a)(i) (Cambridge)

Most candidates recognised that the graph showed the rocket accelerating, which was an insufficient response on its own. However, only the strongest candidates recognised that the acceleration was changing or increasing.
— Examiner report, May/June 2025, 0654/41 Q10(a)(i) (Cambridge)

Many candidates correctly understood the need to calculate Δv and Δt and use these values to calculate the deceleration. The majority of errors were seen in the quotation of the units, m / s was a common incorrect answer.
— Examiner report, May/June 2025, 0654/41 Q10(a)(ii) (Cambridge)

Practise this topic

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Practise 0654.p1.2.05 — define acceleration as change in velocity per unit time; recall and use the equation dv a= dt 3 sketch, plot and interpret distance–time and

In the syllabus

11 0654.P1.2.05 — Define acceleration as change in velocity per unit time; recall and use the equation Dv a= Dt 3 Sketch, plot and interpret distance–time and

Define acceleration as change in velocity per unit time; recall and use the equation Dv a= Dt 3 Sketch, plot and interpret distance–time and speed–time graphs 4 Know that an object moving with increasing speed is accelerating, and that an object moving with decreasing speed is decelerating 5 Determine, qualitatively, from the shape of a 10 Determine from given data or the shape of a distance–time graph or speed–time graph speed–time graph when an object is moving when an object is: with: (a) . at rest (a). constant acceleration (b) . moving with constant speed (b). changing acceleration (c).accelerating (d).decelerating

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