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Cards In This Set
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What is the definition for when an object is in motion?
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If it changes position relative to a referance point
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What is a referance point?
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A place or object used for comparison to determine if something is in motion
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What measurement system do scientists all over the world use?
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SI
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What is the formula for speed?
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Speed= distance divided by time or distance= speed x time
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Units for speed?
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Unit of distance divided by unit of time
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When does an object have constant speed?
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If the speed of the object does not change, the object is traveling at a constant speed
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How do you calculate average speed?
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Total distance divided by the total time
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What is velocity?
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Speed in a given direction
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When graphing motion, what is on the x and y axis?
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Time is on the x axis and distance is on the y axis
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What is acceleration?
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The rate at which velocity changes
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What are the three types of acceleration?
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Increasing speed (acceleration), decreasing speed (deceleration), and changing direction (circular acceleration)
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How do you calculate acceleration?
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Final velocity- initial velocity divided by total time
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What are the units for acceleration?
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Unit of distance divided by the unit of time2
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When graphing acceleration, what is on the x and y axis?
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Y axis= speed (m/s) x axis= time (s)
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What is the difference between the graphs of speed and acceleration?
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In acceleration, y axis is speed, and in speed, y axis is distance
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