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Physics, 19.01.2021 14:00 hottie20

Vul de ontbrekende gegevens in. afstand tijd gemiddelde snelheid 45 km 45 minuten km/h 4,5 km 80 minuten m/s 200 m s 9,0 m/s km 2 uur 85 km/h 20 km minuten 90 km/h

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Vul de ontbrekende gegevens in. afstand tijd gemiddelde snelheid 45 km 45 minuten km/h 4,5 km 80 min...
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