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Objective: To demonstrate an understanding of the manner in which position and velocity change over the course of a projectile’s trajectory.

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Trajectory Horizontally Launched Projectiles

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g = 10 m/s/s

You will do three things: (1) Select the proper motion diagram for a projectile. (2) Determine the velocity components at 1-second intervals of time. And (3) Determine the displacement components at 1-second intervals of time.

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g = 9.8 m/s/s

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Trajectory for Horizontally Launched Projectiles The number of questions varies and depends on the progress demonstrated by the student. 

In this activity you will have to use the gravitational acceleration (g) to perform calculations. The value of g is 9.8 m/s/s. However, some Physics classes will round g to 10 m/s/s in order to shorten the calculating time and complexity with only minimal sacrifices to accuracy. This Concept Builder is equipped to use either value of g … so it’s your choice. Which value of g do you wish to use?

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x, y Position

Trajectory Horizontally Launched Projectiles

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Motion Diagram

Dataway!

x, y Velocity

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A projectile is launched horizontally from a cliff top. Select the corresponding motion diagram.    

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Motion Diagrams

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Velocity Values

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Position Values