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Two seconds after the projection, a projectile is moving at `30^(@)` above the horizontal, after one more second it moves horizontally `(g = 10 m//s^(2))`.

Two second after projection, a projectile is moving at 30^(@) above the hoorizontal, after one more second it is moving horizontally. The intialy speed of the projectile is (g = 10 m//s ^(2))

Two seconds after projection, a projectile is travelling in a direction inclined at 30^(@) to the horizon. After one more second it is travelling horizontally. Then