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Speed, Velocity, and Acceleration

This is a Georgia middle school standards Prezi on speed and velocity.

Chinua Mosley

on 11 December 2012

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Transcript of Speed, Velocity, and Acceleration

Speed and Acceleration Mr. Chinua Mosley Speed Velocity A reference point is a stationary object, like a a tree, that you use to help you figure out a speed, direction or position. Speed = Distance Time d t s = A graph that shows speed will always be a straight line. 10 20 30 40 50 60 70 80 90 10 20 30 40 50 Distance (meters) Time (minutes) Speed of the car Velocity is speed plus direction.
For example, my velocity when I drive to work is an average of 60 mi/h south and my velocity when I drive home is an average of 60 mi/h north. Ads will pop up during this video. To get rid of the ads and see the words, put your mouse on the outside edge of the grey border surrounding the ad until the grey border turns white. Click the now white border and the ads will go away. Acceleration In science, acceleration can be an increase in speed, a decrease in speed, or a change in direction. 10 20 30 40 50 60 70 80 90 10 20 30 40 50 Distance (meters) Time (minutes) Speed of the car A graph that shows acceleration will have a curved line. Graphs to Remember for the CRCT Distance (m) Time (s) Distance (m) Time (s) Distance (m) Time (s) Distance (m) Time (s) Distance (m) Time (s) Positive Velocity Negative Velocity Not Moving/No speed Positive Acceleration Negative Acceleration Constant Speed Graph acceleration= distance time 2 a= d t 2
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