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14 cards from this deck
Scalar
How fast it is moving (not direction)
No, it is not constant
How far an object moves; scalar quantity
Distance & direction in straight line from start to end; vector
v=stv = \frac{s}{t}v=ts (distance/time)
Fitness decreases with age, reducing speed
Rough terrain increases friction; incline requires more energy
Muscles tire, lactic acid builds up (anaerobic respiration) causing cramps
Better fitness = better ability to cope with intense exercise
1.5 m/s
3 m/s
6 m/s
330 m/s
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