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10 cards from this deck
Position of object at time ttt
x2−x1t2−t1\frac{x_2 - x_1}{t_2 - t_1}t2−t1x2−x1
Positive, negative, or zero
Gradient of chord between two points
Distance always positive; displacement can be negative
Distance travelled / time taken
Never negative, always positive or zero
Velocity has direction; speed does not
Motion in negative/opposite direction
Distance: 160m; displacement: 0m
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