Zusammenfassung der Ressource
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vector quantities have a magnitude (size) and a direction.
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scalar quantities only have a magnitude (size) and no direction.
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For an object travelling at a constant speed, distance, (average) speed and time are related by the formula:
distance travelled (m) = (average) speed (m/s) x time (s)
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Next are typical speeds for different transport methods you should know:
WALKING =
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1.4 m/s (5 km/h)
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2.3 mp/h (8 km/h)
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5.9 m/s (7 km/h)
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3 m/s (11 km/h)
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CYCLING = 5.2 m/s (2.2 km/h)
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CARS IN A BUILT UP AREA =
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6.8 m/s (87 km/h)
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13 m/s (47 km/h)
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20 m/s (7.6 km/h)
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CARS ON A MOTORWAY =
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31 m/s (112 km/h)
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6.67 m/s (87 km/h)
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55 m/s (24 km/h)
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55 m/s (200 km/h)
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55 m/s (207 km/h)
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24 m/s (56 km/h)
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321 m/s (76 km/h)
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250 m/s (900 km/h)
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FERRIES = 22 m/s (870 km/h )
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SPEED OF SOUND IN AIR = 340 m/s
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Speed and velocity both measure how fast you are going, but speed is a scalar and velocity is a vector