A Projectile Is Fired at an Angle of Elevation of 30°.Neglecting

Multiple Choice

A projectile is fired at an angle of elevation of 30°.Neglecting air resistance,what are possible angles in flight between the acceleration vector and the velocity vector?

A) 160° and 40°
B) 20° and 70°
C) 90° and 30°
D) none of the above
E) 10° and 30°