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3.2 Kinematics

3.2 Kinematics

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Question 89

The acceleration of an autonomous cart on a straight test route varies linearly with time. Its acceleration is -2 m s-2 at t=0t=0t=0 and 4 m s-2 at t=3t=3t=3 s. Its velocity at t=0t=0t=0 is 1 m s-1.

a.

Find an expression for the acceleration at time ttt.

[2]
b.

Find the velocity of the cart at t=3t=3t=3 s.

[2]
c.

Find the displacement of the cart in the first 3 s.

[2]
Markscheme

3.2 Kinematics Questions

  1. A Level
  2. /Maths
  3. /3.2 Kinematics

158 exam-style questions on OCR (MEI) A Level Maths 3.2 Kinematics, covering 3.2.1 Language of kinematics, 3.2.2 Position, displacement, distance and distance travelled, 3.2.3 Velocity, speed and acceleration distinctions, 3.2.4 Draw and interpret kinematics graphs, 3.2.5 Differentiate position and velocity (A-level only), 3.2.6 Integrate acceleration and velocity (A-level only), 3.2.7 When constant acceleration formulae apply, 3.2.8 Solve 1-D kinematics problems, 3.2.9 Language of kinematics in 2 dimensions (A-level only), 3.2.10 Extend 1-D techniques to 2-D using vectors (A-level only), 3.2.11 Cartesian equation of a path (A-level only), and 3.2.12 Vectors to solve kinematics problems (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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