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Range, Height and Time. Projectile Path All projectiles follow the same shape path. All projectiles follow the same shape path. This path is a parabola.

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Presentation on theme: "Range, Height and Time. Projectile Path All projectiles follow the same shape path. All projectiles follow the same shape path. This path is a parabola."— Presentation transcript:

1 Range, Height and Time

2 Projectile Path All projectiles follow the same shape path. All projectiles follow the same shape path. This path is a parabola. This path is a parabola. Acceleration is constant. Horizontal velocity is also constant. Velocity and position change.

3 Parameterized Curve The two equations of motion can be combined to give an equation for the trajectory. The two equations of motion can be combined to give an equation for the trajectory. Weve set the origin to x 0 = 0, y 0 = 0. Weve set the origin to x 0 = 0, y 0 = 0.

4 Height The maximum height occurs when v y = 0. The maximum height occurs when v y = 0. This is identical to 1-dimensional motion. This is identical to 1-dimensional motion. From the height can the initial velocity be estimated? From the height can the initial velocity be estimated?

5 Range The range of a projectile is the horizontal distance. The range of a projectile is the horizontal distance. The simplest range to find is for a projectile returning to its initial height. The simplest range to find is for a projectile returning to its initial height. This is linked to the angle of the initial velocity. This is linked to the angle of the initial velocity.

6 Time The time in flight can be determined by height alone. The time in flight can be determined by height alone. The hang time is just this time in flight. A 1 m jump will be in the air for about 0.9 s. The range doesnt matter.

7 Different Heights Not all motion starts and stops at the same height. Not all motion starts and stops at the same height. The difference in height can be found by the full set of equations. The difference in height can be found by the full set of equations. Let y be some non-zero value. Let y be some non-zero value.


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