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CAIE IGCSE Physics 1.2.12 A deceleration is a negative

Practise treating deceleration as negative acceleration and using speed-time data or graphs in slowing-down calculations.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • define deceleration as negative acceleration or rate of decrease of velocity
  • calculate deceleration from Δv / Δt when an object slows or comes to rest
  • use equal graph gradients to compare acceleration and deceleration magnitudes

1.2.12—A deceleration is a negative question 1

[Maximum number: 1]

Fig. 1.1 is the speed-time graph for an ice skater.

Fig. 1.1

Fig. 1.1

Explain what is meant by deceleration.

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