After a projectile is launched, till just before it lands, certain features of its motion stay constant, while others change. In the list beneath choose the parameters that stay constant for a projectile, supposing the drag force can be avoided. Question options:
i) The x-component of the acceleration (ax)
ii) The y-component of the velocity (vy)
iii) The y-component of the acceleration (ay)
iv) The x-component of the velocity (vx)
v) Its position all along the x-axis (x)
vi) Its position all along the y-axis (y)