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A car travels 120 metres in 4 seconds to the west, then in the east, it covers 60 metres in 2 seconds. Determine the average velocity of the car.

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Detailed Solution

Distance is the path covered during the journey.

Distance = 120 metres + 60 metres = 180 metres

Displacement is the shortest distance between the initial and final point.

Displacement = 120 metres – 60 metres = 60 metres

Time = 4 seconds + 2 seconds = 6 seconds

V = Displacement/Time

= 60 metres/6 seconds

= 10 metres/second

Therefore, the average velocity is 10 metres/second.

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