A gun fires a bullet at a speed of 140ms^(-1). If the bullet is to hit a target at the same level as the gun and at 1 km distance, the angle of projection may be

A gun fires a bullet at a speed of 140ms^(-1). If the bullet is to hit

1.	A gun fires a bullet at a speed of 140ms^(-1). If the bullet is to hit a target at the same level as the gun and at 1 km distance, the angle of projection may be
Answer» `60^(@)` or `30^(@)` `40^(@)` or `50^(@)` `15^(@)` or `75^(@)` `20^(@)` or `70^(@)` Answer :C