Can you tell the solution of the question below ??? " A ball is projected with a speed of 20 m/s at an angle of 3o degree from a point on the top if a very high tower . the time after which it velocity becomes perpendicular to the velocity of projection ( take g = 10 m/s^2 ) "

Can you tell the solution of the question below ??? " A ball is projec

1.	Can you tell the solution of the question below ??? " A ball is projected with a speed of 20 m/s at an angle of 3o degree from a point on the top if a very high tower . the time after which it velocity becomes perpendicular to the velocity of projection ( take g = 10 m/s^2 ) "
Answer» Can you tell the solution of the question below ??? " A ball is projected with a speed of 20 m/s at an angle of 3o degree from a point on the top if a very high tower . the time after which it velocity becomes perpendicular to the velocity of projection ( take g = 10 m/s^2 ) "