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Acceleration
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Is speed usually constant?
What happens to the speed of each object depicted below?
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Is speed usually constant?
What happens to the speed of each object depicted below?
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Is speed usually constant?
What happens to the speed of each object depicted below?
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Is speed usually constant?
What happens to the speed of each object depicted below?
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What 2 types of speed exist?
Average speed For most moving objects, speed is not constant Because speed can change so much, we calculate average speed Average speed = Total distance/Total time
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What is Velocity? In order to describe motion completely, you need to know: Speed Direction of motion Velocity = Speed in a specific direction .
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What is Velocity? Examples Storm tracking
We need to know the speed of the storm = 25km/hr We need to know its direction = eastward Then we know its velocity = km/h eastward
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What is Velocity? Examples Air traffic controlling
We need to know the speed of the plane = 900km/hr We need to know its direction = westward Then we know its velocity = km/h westward
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