projectile motion 3

• Angle launched projectile - is when a projectile is launched at an angle either below or above the horizontal, you need to resolve the initial velocity into its horizontal and vertical components.
• Speed symmetry - shows that the speed of the projectile at any height above the starting point on its way up is equal to its speed at the

  same height on the way down.
• Time symmetry - means that the time for the projectile to reach maximum height equals the time for it to land on the same level as its

  starting point.
• The word angle came from the Latin word “Angulus” that means corner.
• time of flight - or simply the time refers to the amount of time it takes the object to reach the surface from the time it has been launched