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Examples from Motion and Acceleration

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The root page Examples from Kinematics could not be found in space Modeling Applied to Problem Solving.
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By looking at the position versus time graph shown above, determine the following at each of the eight numbered instants of time:

A.) Is the object's position positive or negative?

B.) Is the object's velocity positive or negative?

C.) Is the object's acceleration positive or negative?

D.) Is the object speeding up (accelerating) or slowing down (decelerating)?

Solution

System, Interactions and Model: [excerpt]This exercise is a review of the definitions of position, velocity and acceleration.[excerpt] These concepts are used in several of the models in the hierarchy.

Answers:

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