Speed and Velocity

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7 Terms

1
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Speed

Scalar quantity, the rate that an object’s position is changing with respect to time ignoring direction

2
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Velocity

Vector quantity, object’s position changes with respect to time and direction

3
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Spped and velocity SI units

m/s

4
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instantaneous velocity

an objects velocity at one specific moment in time

5
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Average velocity

mathematical average of every instantaneous velocity during a time interval, instantaneous velocity if velocity is constant

6
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instantaneous speed

An objects speed at a specific moment in time equals the magnitude of instantaneous velocity

7
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average speed

the mathematical average of every instantaneous speed during a time interval, instantaneous speed if speed is constant