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A car starts from rest and uniformly accelerated to a speed of 40 km/h in 5 s . The car moves south the entire time. Which option correctly lists a vector quantity from the scenario?

User SiZE
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2 Answers

6 votes

Answer:

speed: 40 km/h

distance: 40 km

acceleration 8 km/h/s south

velocity: 5 km/h north

User Philu
by
5.2k points
5 votes

Step-by-step explanation:

Speed= distance / time

Making distance the subject of the formula.

Distance = speed × time

Convert km/hr to m/ s

(40× 1000)/3600= 11.1m/s

Distance = 11.1m/s × 5s

Distance= 55.6m

So it is vector ,although the question is not complete.

User Ihadanny
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4.9k points