A Man throws a ball towards a wall which is 74m away.After the ball hitting the wall he runs towards the wall and hears sound after0.2s.The temperature was 30c.what was the velocity of man?
1 Answer
Mar 4, 2018
Let the velocity of man be
Velocity of sound in still air at 0^@C or 273K is
So velocity sound in still air at
Now by the problem