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Objective: To express an understanding of the conceptual and numerical nature of the velocity and acceleration vectors of an object that is launched vertically upward from the ground and travels through its full trajectory. EndFragment

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Magnitude and Direction 4 Questions Identify the direction and compare the relative magnitude of the velocity and acceleration vectors at various locations along an up-and-down trajectory.

Pick from among the three activities - Magnitude and Direction; Vector Diagram; and Crunch the Numbers.

Vector Diagram Completed

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Vector Diagram 2 Questions Identify the appropriate v and a vectors on a vector diagram for various locations in the up-and-down trajectory of an object.

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Crunch the Numbers Completed

Crunch the Numbers 2 Questions Calculate numerical values of the velocity and acceleration at 1.0-second intervals of time.

Magnitude and Direction Completed

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You have done it! You have successfully analyzed each of the situations in the Crunch the Numbers activity.

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You have done it! You have successfully analyzed each of the situations in the Vector Diagram activity.

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Vector Diagram

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A ball is launched upward from the ground. Its location at 1-second intervals is shown. A set of velocity and acceleration vectors is shown for location A.

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Crunch the Numbers

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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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Magnitude and Direction