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Objective: To describe the horizontal and vertical velocity of an angle-launched projectile using words, vector diagrams, and numerical values. EndFragment

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Trajectory: Angle-Launched Projectiles

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Horiz. and Vert. Speed 6 Questions Describe the magnitude of the horizontal and vertical velocity vectors for an angle-launched projectile.

Pick from among the three activities - Horizontal and Vertical Speed; Vector Diagrams; and Time, Time, Time.

Vector Diagrams Completed

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Vector Diagrams 3 Questions Identify the x- and y-velocity vectors at various locations in a trajectory diagram for a projectile.

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Time, Time, Time Completed

Time, Time, Time 4 Questions If given the vx and vy vectors at one time, identify the vx and vy vectors for any other time in the trajectory.

Horizontal and Vertical Speed Completed

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Vector Diagrams

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(g = -10 m/s/s)

Time, Time, Time

g = 10 m/s/s

In this activity you will use the value of g (the acceleration caused by gravity). 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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g = 9.8 m/s/s

The Value of g

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Horizontal and Vertical Speed