A man starts running a race with a velocity 2 5 m s When he starts running he finds the wind is blowing at an angle 450 with the

Question

A man starts running a race with a velocity 2 5 m s When he starts running he finds the wind is blowing at an angle 450 with the track As he progresses on the straight horizontal track he finds wind is rotating with uniform angular velocity and by the time he completes the race wind rotates through an angle 45 If the wind always blows perpendicular to the s find the length of the race track and time of race is 10 In 2

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