posted by Sonu .
A man starts running a race with velocity v. in the begining of race he finds wind is blowing at an angle alpha with the track. As he progress straight horizontal road wind appears to rotate uniformly and by the gime he completes the race wind appears to rotate by an angle alpha. If the wind always blows perpendicular to the track and the time of race is t. What will be the following
1. Velocity of wind.
2. Is the speeding up or slowing down.
3. Is the motion of man uniform acceleartion or non uniformal acceleartion.
4. Length of the race.