On open ground, a motorist follows a track that turns to his left by an angle of 60∘ after every 500m. Starting from a given turn, the displacement of the motorist at the third turn is:
A
500m
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B
500 √3 m
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C
1000m
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D
1000 √3 m
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Solution
The correct option is C1000m The path followed by the motorist is a regular hexagon ABCDEF of side length 500m as shown in the figure. Let the motorist starts from A and takes the third turn at D. Therefore, the magnitude of this displacement is AD=AG+GD