Question

A man holding a flag is running in North-East direction with speed 10 m/s. Wind is blowing in east direction with speed 5√2 m/s. Find the direction in which flag will flutter. 

Answer 1

From given data

velocity of man

Velocity of wind

The flag will flutter in the direction in which wind is blowing with respect to the man holding the flag. 

This implies direction of wind with respect to man in south.

Flag will flutter in south direction