A-Level Maths Specification

OCR B (MEI) H640

Section 20: Projectiles

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#20.1

Be able to model motion under gravity in a vertical plane using vectors. Be able to formulate the equations of motion of a projectile using vectors.

Standard modelling assumptions for projectile motion are as follows.
• No air resistance.
• The projectile is a particle.
• Horizontal distance travelled is small enough to assume that gravity is always in the same direction.
• Vertical distance travelled is small enough to assume that gravity is constant.

[Excludes: Calculations involving air resistance.]

Model motion under gravity in a vertical plane using vectors

#20.2

Know how to find the position and velocity at any time of a projectile and find range and maximum height.

Projectiles

#20.3

Be able to find the initial velocity of a projectile given sufficient information.

Projectiles

#20.4

Be able to eliminate time from the component equations that give the horizontal and vertical displacement in terms of time to obtain the equation of the trajectory.

Projectiles

#20.5

Be able to solve simple problems involving projectiles.

[Excludes: Maximum range on inclined plane. Bounding parabola.]

Projectiles