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3.3 Projectiles (A-level only)

3.3 Projectiles (A-level only)

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Question 4

A football is kicked with speed U ms−1U \text{ ms}^{-1}U ms−1 from a point A A\,A on a roof, 15 m above the level ground. The ball is projected at an angle of 30∘ 30^\circ\,30∘ above the horizontal. The point B B\,B is the greatest height reached by the ball, which is 8 m vertically above AAA.

a.

Find the value of UUU.

[3]
b.

Find the horizontal distance travelled by the ball before it hits the ground.

[6]
c.

Find the speed of the ball when it hits the ground.

[3]
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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