# Uniform Motion

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- Memorial High School
- Physics Pre ap
- Duke
- Uniform Motion

**Created:**2011-09-05

**Last Modified:**2011-09-05

- Words
- Equations
- Graphs

- a measurement of difference in position, it needs no reference points, just the difference in two position points
- vector

- a tool for showing where an object is located at a precise point in time
- slope is equal to the velocity
- positive slope-object is moving forward
- negative slope-object is moving backwards

- to find the average velocity, the slope of the line is found between the two points (t1,d1) and (t2, d2)
- average velocity= (d2-d1)/(t2-t1)
- is NOT a mathematical average of all the velocities traveled

- how fast the object is going at a particular point n time
- it can vary from the average

- when an objects speed or direction does not change as time progresses
- straight line-path with no acceleration

- the distance traveled in a given amount of time of the event divided by the time of the event
- speed= distance\time
- Scalar
- unites are meters per second

- the displacement for a given time period for an event to occur divided by the time of the event
- velocity= displacement/time
- vector
- unites are meters per second with a direction

- the entire distance covered by the total travel time
- doesn't indicate various instantanous speeds along the way
- average speed= total distance covered/ travel time

- the speed at any instant in time
- the slope of a line or curve at any point in time

- rate at which velocity changes over time
- involves change in speed, change in direction, or a change in both
- acceleration=change in velocity/time interval
- a vector
- units: m/s
^{2}

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