In a long distance race, the athletes were expected to take four rounds of the track such that the line of finish was same as the line of start. Suppose the length of the track was 200 m. What is the displacement of the athletes when they touch the finish line?

0 m

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800 m

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200 m

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400 m

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Solution

The correct option is A 0 m
As the athletes finish at the starting line, we know that displacement is the shortest distance between the final point and the initial point.
$∴$ Displacement = final position - initial position
$= x_{A} - x_{A} = 0$

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In a long distance race, the athletes were expected to take four rounds of the track such that the line of finish was same as the line of start. Suppose the length of the track was 200 m. What is the displacement of the athletes when they touch the finish line?

The correct option is A 0 mAs the athletes finish at the starting line, we know that displacement is the shortest distance between the final point and the initial point.∴ Displacement = final position - initial position=xA−xA=0

The correct option is A 0 m
As the athletes finish at the starting line, we know that displacement is the shortest distance between the final point and the initial point.
$∴$ Displacement = final position - initial position
$= x_{A} - x_{A} = 0$