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Martin Science Ch. 5

Chapter 5 vocabulary for Miss Martin's science class

QuestionAnswer
Definition of Speed How fast something is moving.
Examples of Reference Point When looking out of a window, the frame of reference is the window frame and your house.
Definition of Velocity Speed in a particular direction.
Definition of Resultant Velocity The combination of two or more velocities.
How to Calculate Resultant Velocity If they are in the same direction, add them. If they are in different directions, subtract them and the direction is the same as the bigger number.
Constant Speed Something that does not change speed (not acceleration)
Formula for Speed Distance traveled divided by the time it takes to travel that distance. Also written as S=D/T
Labels for Speed m/s, miles per hour, km/hr
Definition of Reference Point An object that is usually not moving that you are comparing motion to.
What can slope help you find? Speed
How to Calculate Velocity Velocity=Distance/Time then add the direction from the problem. If no direction is given, the direction is forward.
Labels for Velocity m/s north, km/hr south, m/s forward
What can change velocity? Getting faster, getting slower, and changing directions.
Definition for Acceleration A change in velocity; usually speeding up, slowing down or changing direction.
Examples of Acceleration Speeding up in a car, a cheetah stopping, or a biker turning a corner.
Label for Acceleration m/s/s
How to calculate slope rise(or how far up the line went)/run(or how far over the line went) also known as change in y/change in x
Formula for Acceleration (final velocity-starting velocity)/time to make change. --Remember that it starts with the end number
Created by: rinteck
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