Which one of the following statements is not true about the

Last updated: 6/25/2023

Which one of the following statements is not true about the motion of a projectile 1 The time of flight of a projectile is proportional to the speed with which it is projected at a given angle of projection 2 The horizontal range of a projectile is proportional to the square root of the speed with which it is projected 3 For a given speed of projection the angle of projection for maximum range is 45 4 At maximum height the acceleration due to gravity is perpendicular to the velocity of the projectile