Two seconds after projection, a projectile is moving at 30^(@) above the horizontal. After one more second it is moving horizontally. If g = 10ms^(-2), the velocity of projection is

Two seconds after projection, a projectile is moving at 30^(@) above t

1.	Two seconds after projection, a projectile is moving at 30^(@) above the horizontal. After one more second it is moving horizontally. If g = 10ms^(-2), the velocity of projection is
Answer» `10sqrt(3) MS^(-1)` 20 m/s 10 m/s `20sqrt(3)` m/s Answer :D