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3.3 Projectiles (A-level only)

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Question 13

A cricket ball is hit from the ground with an initial velocity of k(2i+5j)ms−1k(2\mathbf{i} + 5\mathbf{j})\text{ms}^{-1}k(2i+5j)ms−1, where k k\,k is a constant. The maximum height above the ground reached by the ball is 50 m.

a.

Find the exact value of kkk.

[3]
b.

Find the horizontal distance from the point of projection to the point where the ball strikes the ground.

[6]
Markscheme

3.3 Projectiles (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.3 Projectiles (A-level only)

91 exam-style questions on OCR (MEI) A Level Maths 3.3 Projectiles (A-level only), covering 3.3.1 Model motion under gravity using vectors (A-level only), 3.3.2 Position, velocity, range and maximum height (A-level only), 3.3.3 Find the initial velocity of a projectile (A-level only), 3.3.4 Equation of the trajectory (A-level only), and 3.3.5 Solve simple projectile problems (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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