A particle is projected horizontally from the top of a tower.
I. The initial vertical velocity is zero.
II. The time taken to reach the ground depends on the mass of the particle.
III. The horizontal displacement (range) is proportional to the initial horizontal velocity.
IV. The path followed is a semi-parabola (or a part of a parabola).
V. The vertical velocity increases linearly with time, while horizontal velocity remains constant.