Zusammenfassung der Ressource
Frage 1
Frage
A car travels 50 km North and then returns 30 km South. The whole journey takes 2 hours. What is the distance travelled and the average speed?
Antworten
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80 km at 40 km per hour.
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81 km at 35 km per hour.
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53 km at 70 km per hour.
Frage 2
Frage
A girl delivers newspapers to three houses, X, Y and Z as shown in the diagram starting at X. The girls walks directly from on house to the next. Calculate the girl's final displacement from X.
Antworten
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50 m (065)
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50 m (023)
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50 m (037)
Frage 3
Frage
A model aircraft is flying north with a velocity of 24 metres per second.
A wind is blowing from west to east at 10 metres per second.
What is the resultant velocity of the plane?
Antworten
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27 m per second (020)
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26 m/s (023)
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24 m/s (025)