Motion: Position, Velocity, and Acceleration

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5 Terms

1
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What is the formula for average speed

distance traveled/∆t

2
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what is the formula for average velocity

change in displacement/ change in time

3
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what is the formula for average acceleration

change in velocity/ change in time

4
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What is acceleration’s direction in respect to velocity when an object is either slowing down or speeding up

Slowing down: acceleration’s direction is opposite to the direction of velocity

Speeding up: acceleration’s direction is the same direction as velocity

5
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what is the acceleration of gravity

9.8, always positive because it is a constant. will become negative if you say the positive y direciton is pointing upwards