Speed, Velocity, & Acceleration

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Presentation transcript:

Speed, Velocity, & Acceleration

Speed The distance traveled by an object in a given amount of time. Image: http://winstonmotorsports.com/images/bigstockphoto_Speedometer_At___Mph_291241.jpg; Definition: www.thefreedictionary.com

Formula for Speed S = D ÷ T Time is measured in: seconds, min, hours Speed = Distance / Time S = D ÷ T Time is measured in: seconds, min, hours It is graphed on the: x-axis Distance is measured in: centimeters, meters, kilometers It is graphed on the: y-axis Speed is expressed in: m/s (meters per second)

Velocity Speed + Direction The distance traveled by an object in a given amount of time in a particular direction. Speed + Direction

Acceleration The rate at which an object’s speed and/or directions changes over time. Images: http://churmura.com/wp-content/uploads/2009/11/200909201630594344711-pf.hmedium.jpg & http://ivsblog.files.wordpress.com/2009/02/dsc00024.jpg; Definition: www.thefreedictionary.com

Acceleration is expressed m/s2