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4.8 Kinematics (A-level only)

4.8 Kinematics (A-level only)

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Question 9

Use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.

A particle P P\,P is projected with velocity (3i+4j)(3\mathbf{i} + 4\mathbf{j})(3i+4j) m s−1^{-1}−1 from a point 20 m above horizontal ground, where i\mathbf{i}i is horizontal and j\mathbf{j}j is vertically upwards.

Air resistance is modelled as negligible.

a.

Find the speed of P P\,P after 2 seconds.

[4]
b.

Find the greatest height of P P\,P above the ground.

[3]
Markscheme

4.8 Kinematics (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.8 Kinematics (A-level only)

163 exam-style questions on WJEC A Level Maths 4.8 Kinematics (A-level only), covering 4.8.1 Kinematics (A-level only), 4.8.2 Kinematics (A-level only), and 4.8.3 Kinematics (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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