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A toy car is moving on a closed track wh...

A toy car is moving on a closed track whose curved portions are semicircules of radius 1 m. The adjacent graph describes the variation of speed of the car with distance moved by it (starting from point P). The time `t` required for the car to complete one lap is equal to 6K second. Find K. (take `piln 2~~2`)

A

4

B

8

C

12

D

16

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The correct Answer is:
B
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