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Projectiles

Projectiles. When a particle is projected with a speed u, at an angle α to the horizontal it will move along a symmetric curve. . u. α. The initial speed is called the speed of projection of the particle

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Projectiles

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  1. Projectiles

  2. When a particle is projected with a speed u, at an angle α to the horizontal it will move along a symmetric curve. u α The initial speed is called the speed of projection of the particle The angle α is called the angle of projection or angle of elevation of the particle

  3. You can resolve the initial velocity into two components u usinα α ucosα The horizontal component of the initial velocity is ucosα The vertical component of the initial velocity is usinα

  4. The vertical motion of the projectile is motion with constant acceleration g = 9.8 ms-2 You can use the constant acceleration formulae from M1 v = u + at

  5. The horizontal motion of the projectile is with constant speed. You can use the formula distance = speed x time The time the particle takes to move from its point of projection to the point where it strikes the horizontal plane is called the time of flight of the projectile Greatest height range The distance from the point from which the particle was projected where it strikes the horizontal planes is called the range

  6. The examples in the book are ok Then try exercise 1A page 9

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