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15 cards from this deck
Rate of change of displacement with respect to time
Vector (has magnitude and direction)
Scalar (magnitude only)
vvv (or uuu for initial velocity)
Metres per second (m s−1^{-1}−1 or m/s)
displacementtime\frac{\text{displacement}}{\text{time}}timedisplacement
No speed up, slow down, or direction change
Velocity at a specific moment in time
When object changes speed, direction, or both
50 Hz (dots every 1/50th second)
Constant velocity
1/50 second or 0.02 s
length of cardtime to interrupt beam\frac{\text{length of card}}{\text{time to interrupt beam}}time to interrupt beamlength of card
Direction continuously changes
Provides almost friction-free environment for studying motion
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