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4.1.1 Kinematics (A-level only)

How is velocity obtained from displacement?

A

Differentiate with respect to time: v=dxdtv=\frac{dx}{dt}v=dtdx​.

B

The displacement from t=t1t=t_1t=t1​ to t=t2t=t_2t=t2​ is ∫t1t2v dt\int_{t_1}^{t_2}v\,dt∫t1​t2​​vdt, which is not necessarily the total distance travelled.

C

The displacement from t=t1t=t_1t=t1​ to t=t2t=t_2t=t2​ is ∫t1t2v dt\boxed{\int_{t_1}^{t_2}v\,dt}∫t1​t2​​vdt​, which is not necessarily the total distance travelled.

D

Velocity and acceleration with the same sign mean speed is increasing; opposite signs mean speed is decreasing.

4.1.1 Kinematics (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /4.1.1 Kinematics (A-level only)

Flashcards for CCEA A Level Maths 4.1.1 Kinematics (A-level only), covering the key formulae, methods and definitions you need to recall for AS 1, AS 2, A2 1 and A2 2. 21 cards, matched to the CCEA A Level Maths (2210) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.