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Assume that you are sitting in a car at ...

Assume that you are sitting in a car at rest. You see a person in the rear view mirror of radius of curvature 2m running towards you at t=0. if person is running with velocity 5m/s and it is at 9m distance from mirror at this instant, the average velocity (in mm/sec) of image of man in first second is found to be 20x. find the value of x

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